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From left to right: Adolf Hitler, Prince Philipp von Hessen, Joachim von 
Ribbentrop, and Pope Pius XII (Illustration by Cristiana Couceiro. Sources: 
Ullstein / Getty; Süddeutsche Zeitung / Alamy; Realy Easy Star / Fotografia 
Felici / Alamy)
IDEAS
THE POPE’S SECRET BACK CHANNEL TO HITLER

Newly revealed Vatican documents uncover a long-held secret: As war broke out, 
Pius XII used a Nazi prince to negotiate with Adolf Hitler.
By David I. Kertzer
MAY 31, 2022
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About the author: David I. Kertzer is the author of the forthcoming book The 
Pope at War: The Secret History of Pius XII, Mussolini, and Hitler. Kertzer was 
awarded the 2015 Pulitzer Prize for Biography for The Pope and Mussolini: The 
Secret History of Pius XI and the Rise of Fascism in Europe.
In august 1939, as he was finalizing plans for the invasion of Poland, Adolf 
Hitler was also engaged in negotiations with Pope Pius XII so delicate that not 
even the German ambassador to the Holy See knew about them. The existence of 
these talks was a secret the Vatican was eager to maintain long after Pius 
XII’s death—as it did for eight decades. The 12-volume compilation of the Holy 
See’s documents on the Second World War, completed in 1981, which to date has 
constituted the official record of Vatican activity during that period, 
contains no reference to the negotiations. Knowledge of them has only now come 
to light with the recent opening of the Pius XII archives at the Vatican.


Few topics in Church history, or the history of the Second World War, are as 
hotly contested as Pius XII’s decision to avoid direct public criticism of 
Hitler or his regime, and to remain publicly silent in the face of the 
Holocaust. Many Church conservatives portray Pius as nonetheless a steadfast, 
courageous foe of Hitler and fascism. Others have harshly criticized him for 
failing to denounce the Nazi war of aggression and Hitler’s effort to 
exterminate all of Europe’s Jews. Even when the Nazi SS rounded up more than 
1,000 Jews in Rome itself, on October 16, 1943, the pope refused to make his 
voice heard. Held for two days in a complex near the walls of the Vatican, the 
Jews were then placed on a train bound for Auschwitz.


This article is excerpted from Kertzer’s forthcoming book.
Pope John Paul II was reportedly preparing to beatify Pius XII in 2000 when 
opposition, especially from Rome’s Jewish community, caused him to put the 
process on hold. His successor, Benedict XVI, called for waiting until the 
Vatican’s archives for the war years were opened before making a final 
decision. He did, though, agree to proclaim Pius XII “venerable,” a step on the 
way to sainthood. In 2019, Pope Francis authorized the opening of the Pius XII 
archives, which became available to scholars in 2020. In the two years since 
then, no new finding has been as dramatic as the discovery that, shortly after 
he became pope, Pius XII entered into secret negotiations with Hitler, a story 
told here for the first time.

In the last months of his life, Pius XII’s predecessor, Pius XI, had become a 
headache for Adolf Hitler. The pope had become more and more incensed by 
Hitler’s whittling away at the influence of the Church in Germany, replacing 
Catholic parochial schools with state schools, closing many religious 
institutions, and supplanting Christian teachings with Nazi doctrine. In 1937, 
Pius XI issued an encyclical that condemned the Nazi government for its 
persecution of the Church and its championing of a pagan ideology. Hitler was 
irate. A year later, when Hitler visited Rome, Pius XI abandoned the city for 
Castel Gandolfo, his summer retreat in the Alban Hills. In remarks that 
infuriated Benito Mussolini, Italy’s ruler and Hitler’s host, the pope said he 
could not abide the glorification of the swastika, which he termed a “cross 
that is not the cross of Christ.”

David I. Kertzer: What the Vatican’s secret archives are about to reveal

Pius XI died in early 1939, much to Hitler’s and Mussolini’s relief. Cardinal 
Eugenio Pacelli, who had been the secretary of state, was elected pope, taking 
the name Pius XII. Hitler now saw a chance to improve relations with the 
Vatican, or in any case to keep the new pope from openly criticizing his 
regime. As his secret go-between with the pope, he chose 36-year-old Prince 
Philipp von Hessen, the son-in-law of Italy’s King Victor Emmanuel III. Few 
German aristocrats had a more illustrious pedigree than von Hessen, whose 
grandfather was the German emperor Frederick III and whose great-grandmother 
was Britain’s Queen Victoria. He was an early member of the SA, the Nazi 
Party’s storm troopers, and wore its brown-shirted uniform. And he had 
experience keeping secrets, having taken steps to prevent his amorous 
relationship with the English poet Siegfried Sassoon from coming to light.



Shortly after Pacelli’s election, Hitler summoned von Hessen to his 
headquarters. Given the new pope’s evident eagerness to turn the page on the 
Vatican’s rocky relations with the National Socialist regime, Hitler had 
decided to explore the possibility of a deal. Von Hessen was told to see if he 
could schedule a secret meeting with the pope to begin discussions.

To maintain secrecy, the talks between von Hessen and the pope had to be 
arranged through unofficial channels. The roundabout route, which would be used 
repeatedly over the next two years, involved a man named Raffaele Travaglini, a 
shadowy friend of Prince Umberto, Italy’s future king and the brother of von 
Hessen’s wife, Princess Mafalda. Travaglini was a schemer and self-promoter, as 
well as an avid fascist. And he was deeply enmeshed in a social network that 
reached into the Vatican.

Portrait of Philipp von Hessen (National Archives)
On a Sunday in mid-April of 1939, barely a month after Pacelli had become pope, 
von Hessen summoned Travaglini to the Italian royal residence in Rome. There he 
explained that Hitler had asked him to initiate negotiations with the new 
pontiff outside normal diplomatic channels. Travaglini immediately wrote to 
Cardinal Lorenzo Lauri, a man close to the pope, asking for his help in 
arranging a meeting between von Hessen and Pius XII.


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The pope met Hitler’s envoy for the first time on May 11. To help ensure 
secrecy, the pope took the highly unusual step of holding the meeting in the 
apartment of Cardinal Luigi Maglione, his secretary of state. The two men spoke 
in German, in which the pope was fluent, having spent a dozen years as the 
papal nuncio in Germany. The Vatican archives contain a German-language account 
of their conversation. Remarkably, the pope had a German prelate concealed in 
such a way as to take down a full transcript of their conversations without 
apparently being observed by the Nazi prince. The resulting transcripts, 
recently unearthed, offer a precise account of what was said.

At this first meeting, the pope took out a copy of a letter he had sent Hitler, 
expressing his appreciation for the führer’s well wishes on his election to the 
papacy. He read it aloud to the prince, then read Hitler’s reply. Upon 
finishing the reading, the pope said, “I have been very considerate, and the 
Reich Chancellor’s reply was very kind. But the situation has since 
deteriorated.” By way of example, he cited the closing of Catholic schools and 
seminaries in the Third Reich, the publication of books attacking the Church 
and the papacy, and the slashing of state funds benefiting the Church in 
Austria. He told the prince that he was eager to reach an agreement with Hitler 
and was ready to compromise insofar as his conscience allowed, “but for that to 
happen, there must before anything else be a truce … I am certain that if peace 
between Church and state is restored, everyone will be pleased. The German 
people are united in their love for the Fatherland. Once we have peace, the 
Catholics will be loyal, more than anyone else.”


Von Hessen explained that the National Socialists were divided into pro-Church 
and anti-Church factions that were “bitterly opposed to each other.” If the 
Catholic clergy would agree to confine itself to Church matters and stay out of 
politics, the pro-Church faction could prevail.

The Church, replied the pope, had no interest in involving itself in partisan 
politics. “Look at Italy. Here too there is an authoritarian government. And 
yet the Church can take care of the religious education of the young … No one 
here is anti-German. We love Germany. We are pleased if Germany is great and 
powerful.”

Von Hessen asked if the pope was willing to put the Church’s commitment to stay 
out of politics in writing. The problem, replied Pius XII, evading the 
question, was to be clear about what was meant by politics. Religious education 
of the young, for example, should not be considered political.


Von Hessen then brought up what had been another sore point in the Vatican’s 
relations with the Reich, the much-publicized “morality” trials of German 
priests. Hundreds had been charged with sexual crimes, including the abuse of 
children. “Such errors happen everywhere,” the pope observed. “Some remain 
secret, others are exploited. Whenever we are told of such cases, we intervene 
immediately.”

It is now clear that the Secretariat of State, then under Cardinal Pacelli’s 
direction, had indeed taken immediate action. A folder in the Secretariat’s 
files from the previous year is labeled “Vienna: Order to burn all archival 
material concerning cases of immorality of monks and priests.” To date, 
historians have largely dismissed police investigations of clerical sexual 
abuse in Nazi Germany as evidence of the National Socialist regime’s 
anti-Catholicism and homophobia. But there were reasons the Church was so 
vulnerable to this variety of blackmail.


David I. Kerzter: The pope, the Jews, and the secrets in the archives

Throughout this first meeting, von Hessen expressed his nervousness that word 
of it might be leaked. “No one knows we’re having this conversation,” the pope 
assured him. “Even my closest associates don’t know about it.”

Following the encounter, von Hessen traveled to Berlin to tell Hitler what the 
pope had said. Three weeks later, having returned to Rome, von Hessen again 
conveyed a message to Travaglini, who relayed it by letter to Cardinal Lauri, 
who in turn passed it along to the pope.

The führer, the message began, “was very satisfied with the secret discussion 
that the Prince had with His Holiness on the evening of May 11, 1939 … 
Following that meeting various conversations took place in Berlin with the 
Führer and with [Hermann] Goering and [Joachim von] Ribbentrop”—the 
Reichsmarschall and the minister of foreign affairs, respectively. As a result:

a) The pope’s meeting with von Hessen had changed Ribbentrop’s attitude toward 
reaching an agreement between the Reich and the Vatican, which he had 
previously opposed but now supported.

b) As of May 25, the German press was ordered to end its attacks on the 
Catholic religion and Catholic priests in Germany and on the contrary, to speak 
well of them if good occasions should arise to do so.

c) Hitler called on various regional officials to send reports on the religious 
situation in their regions, in order to be in a position to negotiate with the 
Vatican regarding its concerns.

d) The decision was made to send Prince Philipp to Rome with a message of 
homage and good wishes for the Holy Father, accompanied by some concrete 
proposals, to initiate official contacts via the respective diplomatic channels 
for the hoped-for accord.

Von Hessen’s message went on to stress the importance Hitler placed on keeping 
the negotiations secret. As Hitler saw it, until an agreement could be reached 
with the pope, there was no benefit to letting word of his initiative get out.


Through the summer of 1939, as Hitler prepared to invade Poland, he continued 
to use his back channel to entice the Vatican with the prospect of an 
agreement. In early July, the pope received a new report from von Hessen via 
Cardinal Lauri. At a meeting a few days earlier, von Hessen had asked Hitler 
whether the proposals for the pope were ready. The prince reported that while 
the führer was “now predisposed to conciliation,” he “asked to be excused if, 
given the current extremely delicate international situation, he hadn’t been 
able up to now to adequately study the current complex problems of the Catholic 
Church in the Reich in order to be able to bring the Holy Father, with devout 
and respectful sentiments of great esteem and sympathy, concrete proposals.” 
But, von Hessen hastened to add, Hitler was convinced that the much-desired 
religious peace could be achieved, and he hoped soon to return to Rome to meet 
with the pope.

Read: Understanding Hitler’s anti-Semitism


Von Hessen’s next secret meeting with Pius XII took place on August 26, at 
Castel Gandolfo. A detailed account of this encounter comes in the form of a 
German-language record found in the newly opened Vatican Secretariat of State 
archives. The meeting took place less than a week before Hitler sent German 
troops into Poland, setting off the Second World War.

The German prince began by telling the pope that Hitler wanted to assure him of 
his “most fervent desire” to restore peace with the Church. The führer, von 
Hessen said, did not believe that any “big issues” divided them. Seemingly 
oblivious to the apparent contradiction, the prince then said that Hitler 
thought the “biggest issues” to be resolved, if an agreement was to be reached, 
were the “racial question”—referring here to the Nazi regime’s campaign of 
persecution and terror directed at Jews—and what Hitler saw as the clergy’s 
meddling in Germany’s domestic politics. Hitler, von Hessen said, believed that 
the first of these obstacles, the “racial question,” could be “avoided,” 
presumably by continuing the new pope’s policy of remaining silent about the 
issue. What was needed, then, was an understanding on the proper role of 
Germany’s Catholic clergy.


In responding, the pope first expressed his gratitude to Hitler for his warm 
greeting. He, too, he said, would like to see the Church reach an honorable 
agreement that would ensure religious peace in the Reich. As for Hitler’s 
concerns about political activity by the German clergy, there should be no 
grounds for worry because the Church had no reason to engage in partisan 
politics. In his conversations with von Hessen, the pope never raised any 
concerns about the Nazis’ anti-Jewish campaign.

The führer, said the prince, was convinced that their talks could well lead to 
a new, revised concordat with Germany, one that included Austria, now part of 
the Reich, as well. “We will promote the achievement of an honorable religious 
peace with utmost vigor,” the pope said. Such a peace, von Hessen went on, 
“really is the Führer’s deep wish. He hopes to see your Holiness when he comes 
back to Rome for official purposes.” Hitler had hoped by now to have provided 
the pope with a series of points to move the negotiations along, the prince 
said. Unfortunately, “the Russian affair came up,” distracting him from the 
matter.


Von Hessen did not need to explain this reference. The German-Russian 
nonaggression pact—which gave Hitler the guarantees he sought in order to 
launch his invasion of Poland—had been signed three days earlier in Moscow. But 
the negotiations with the pope, insisted the German prince, remained of the 
utmost interest to the führer. At the same time, they all realized that 
everything had to continue to be done in secret if they were to prevent 
“hostile interference” by those eager to prevent any agreement between Pius XII 
and Hitler. “The secretum,” the pope said, using the Latin word, “is sacred to 
us.”


Pope Pius XII (Illustration by Cristiana Couceiro. Sources: Fototeca Gilardi / 
Getty; Adoc / Getty)
The next meeting took place on October 24, 1939. With his brutal conquest of 
Poland now complete, Hitler let the pope know that he was ready to resume their 
secret negotiations. The quasi-transcript of the German-language conversation 
between the pope and Philipp von Hessen makes clear that, even after the 
invasion and the start of the larger war, the pope was eager to reach an 
understanding with Hitler. At the same time, the pope wanted Hitler to know 
that any agreement depended on a change of those German policies that had 
harmed the Church.


As von Hessen sat down, the pope asked how Hitler was doing.

“He is doing very well, the considerable tensions notwithstanding,” the prince 
replied. Unfortunately, the Poles had brought disaster on themselves, their 
stubborn refusal to recognize their defeat having had tragic consequences. The 
Polish military command’s decision to continue the pointless resistance, said 
von Hessen, had needlessly sacrificed many lives.

But, the pope replied, even the Germans had to recognize the bravery of the 
Polish soldiers.

All in all, von Hessen said, passing over the pope’s remark, the führer was 
very pleased with the military and political progress he had made in Poland.

How, asked the pope, were the German people faring?

“They are doing well. Food ration cards have been introduced. But the people 
are optimistic.” The pope acknowledged that there did now seem to be calm on 
the military side. Indeed, replied the prince. Perhaps he was being overly 
hopeful, he said, but he saw signs that peace might now be returning to Europe.


Von Hessen noted that, following his previous meeting with the pope, he had 
returned to Germany and discussed with the führer what the pope had told him 
about the importance of coming to an understanding. “He was in complete 
agreement,” said the prince, but he was then regrettably distracted by the many 
other urgent issues he had to address. Still, the prince assured the pope, “the 
intention remains.”

Unfortunately, Pius XII said, the news from Germany was not such as to 
encourage a rapprochement with the Church. Even those who preferred an 
authoritarian regime were concerned about the way religious institutions were 
being treated.

At this point, the pope decided to bring up an argument he thought might appeal 
to Hitler. Germany’s enemies were making ample use of the Reich’s poor 
treatment of the churches. All of this, added the pope, alluding to the 
pressures on him to speak out against Hitler’s anti-Church measures, was making 
his own position and that of the Vatican difficult. The Germans’ systematic 
attack on the Church had to stop. If Hitler were to give a signal and the 
situation were to improve, it would pave the way for productive negotiations. 
“I understand other tasks require the Führer’s energy right now,” the pope 
said. “But such a signal, such a ‘Stop!,’ is possible and most important. That 
is because, and there is no doubt about it, the persecutions go on. 
Deliberately and systematically.”


Perhaps, the prince suggested, it might be best to begin by holding preliminary 
negotiations in Berlin, where the führer spent most of his time. There, the 
papal nuncio could preside over the talks. “So many countries have joined the 
Reich,” von Hessen added, that clearly a new concordat with the Vatican was 
needed.

Did the prince have in mind forming a committee to organize such talks? the 
pope asked.

No, he had been given no such instructions. He was simply thinking out loud. 
“If His Holiness would agree in principle, then—”

The pope interrupted. What was important for any such talks to be fruitful was 
the creation of a propitious atmosphere by means of a signal from the führer.

“I will gladly advocate this.”

“I have always desired peace between Church and State and continue to do so,” 
the pope said.


As Pius rose to bring their meeting to an end, he told the prince how much he 
appreciated his visit and asked that he convey to Hitler his warm greetings.

Von hessen returned to Germany. Thinking that the time had come for discussions 
to move to the next level, Hitler decided to send Foreign Minister von 
Ribbentrop to meet with the pope. Von Hessen returned to Rome to discuss 
possible arrangements.

Following their now familiar path, Travaglini took his written account of what 
von Hessen had told him to Cardinal Lauri. The cardinal sent it to Pius on 
January 2, 1940, with a cover letter urging the pope to quickly let him know 
how to respond. A separate typed note on a plain sheet of paper, found together 
with the cardinal’s letter in the Vatican’s Secretariat of State archive, shows 
how quickly the pope agreed to the meeting and gives a flavor of its 
cloak-and-dagger nature: “January 3, 1940 (12:15 p.m.). The Most Eminent 
Cardinal Lauri informs us that ‘the noted person’ returned this morning in Rome 
and appropriately advised, will come this evening at the agreed-upon time.”


David I. Kertzer: The secrets that might be hiding in the Vatican’s archives

In preparing for the meeting, Pius XII hastily assembled a document, in German, 
listing five requests for Hitler. He gave it to von Hessen when the prince 
appeared that evening at the Apostolic Palace. The pope prefaced his five 
points by expressing his pleasure in seeing that “some of the propagandistic 
publications against the Church or Church organizations [in Germany] have been 
withdrawn.” However, other signs were less encouraging; reports of anticlerical 
and anti-Christian propaganda in Germany kept coming in. “We continue to 
perceive that there are those in the Party—especially in those circles that 
regard themselves as the foremost representatives of today’s Germany such as in 
the SS, the SA, the Labor Front, the Hitler Youth, the Federation of German 
Girls—who seek to separate Catholics spiritually and, if possible, visibly from 
their Church. For example, one cannot advance in the SS without having 
discarded one’s membership in the Church.” To “detoxify the public atmosphere 
before any talks begin,” the pope suggested, the German government would have 
to take certain measures. He then listed the five steps:

Ending the attacks against Christianity and the Church in Party and State 
publications, and the withdrawal of particularly offensive past publications. 
Some of the worst publications against the Church have indeed been withdrawn 
from the market, but far from all …
Cessation of anti-Christian and anti-Church propaganda targeted at youth, in 
the school and beyond …
Restoration of religious education in schools in accordance with the principles 
of the Catholic Church and led by Church-approved teachers, in most cases 
Catholic clergy.
Restoration of the Church’s freedom to defend itself publicly against public 
attacks against Church doctrine and Church organizations …
Cessation of further sequestrations of Church property, in anticipation of the 
mutual examination of past measures.
The morning after the meeting, von Hessen briefed von Ribbentrop by phone. On 
his return to Germany not long afterward, von Hessen also briefed Hitler and 
gave him the five-point memo that Pius XII had prepared. Sent back to Rome 
early the next month to continue the negotiations, von Hessen summoned 
Travaglini to convey a new message to the pontiff. After Hitler had read the 
pope’s memo, he had discussed next steps with von Ribbentrop and agreed in 
principle with the pope’s terms. He had decided that his foreign minister’s 
upcoming meeting with the pope be an official one and not remain secret. It 
should be billed as a discussion of the points of tension between the Reich and 
the Vatican.


Curiously, in advising Pius on the planned meeting with von Ribbentrop, von 
Hessen conveyed Hitler’s wish that the pope flatter his foreign minister as 
much as possible: “During the meeting that von Ribbentrop will have with the 
Holy Father—perhaps a decisive one for the relations between the Church and the 
Reich—the Führer would like the Holy Father to employ many, many sweet words in 
regards to his Minister of Foreign Affairs, as he is very susceptible to such 
expressions, and as von Ribbentrop is the executor of future oversight in this 
area.” Hitler, said the German prince, “is expecting much from this audience.”

Although the pope was eager for the meeting with the Nazi foreign minister, 
Hitler’s decision that the encounter should receive wide publicity made him 
nervous. Ever since the Germans had invaded Poland the previous September, 
anguished pleas from the overwhelmingly Catholic Poles had been coming in to 
the Vatican, urging the pope to denounce the Nazi aggression. The fact that 
large numbers of Polish Catholic clergy were targets of the German invaders 
made the pressure to speak out almost unbearable. For the pope now to be seen 
in collegial conversation with von Ribbentrop could have unpleasant 
consequences for him.


On February 8, the pope had a new note prepared for von Hessen:

The news we have received up to the beginning of the current month on the 
Church’s situation in Germany does not indicate the beginning of a détente in 
line with the five mentioned points.

Under these circumstances His Holiness believes that it remains more beneficial 
to make the first encounter between him and the Reich Foreign Minister a 
confidential one, to permit an open discussion without interference about the 
necessary … points for the agreement.  

On February 18, von Hessen returned to Rome, where Travaglini gave him the 
pope’s message. Travaglini’s account of his subsequent conversation with von 
Hessen, which Pius XII received via Cardinal Lauri, featured Hitler’s latest 
enticements for the pope. The führer and von Ribbentrop were “cautiously and 
discreetly applying the five points of [the pope’s] Note.” They planned to 
complete that task and potentially do even more to please the pope following 
von Ribbentrop’s visit. To make all of this possible, the Nazi leaders had 
agreed that, while the foreign minister’s meeting could be considered 
“private,” it must be accompanied by all the ceremony appropriate for an event 
of such importance. Von Hessen’s message for the pope ended optimistically: 
“After the visit and the Holy Father’s open, frank discussion with von 
Ribbentrop, a new era of pacification of Catholicism in Germany may dawn.”


Illustration by Cristiana Couceiro. Sources: Süddeutsche Zeitung / Alamy; 
Giordano Cipriani / Getty
On monday morning, March 11, 1940, von Ribbentrop and his entourage were picked 
up by four black Vatican limousines flying Vatican and Nazi flags. They set off 
for the Apostolic Palace, entering Vatican City through the Porta Sant’Anna. 
The 46-year-old foreign minister—a “boundlessly vain, arrogant and pompous 
former champagne salesman,” as the historian Ian Kershaw has described him—had 
become one of the führer’s closest confidants, although he was looked on with 
contempt by most of the top Nazi leadership. At the Vatican, harlequin-striped 
Swiss Guards saluted the motorcade before it made its way into the San Damaso 
Courtyard.


Von Ribbentrop entered Pius XII’s private library, with its large, carved desk 
set near one wall. The foreign minister, who declined to kneel as was the 
custom in approaching Pius XII, began the conversation by conveying Hitler’s 
greetings. In response, the pope spoke of his many years in Germany, which he 
said had perhaps been the happiest of his life.

Von Ribbentrop said he hoped they could speak frankly. Hitler believed that 
settling their differences “was quite possible” but depended on first ensuring 
“that the Catholic clergy in Germany abandon any kind of political 
activity”—that is, not offer any criticism, explicit or implicit, of government 
policies. Of course, wartime was not the moment for entering into any new 
formal agreements, the German minister said, but “in the opinion of the Führer, 
what mattered for the time being was to maintain the existing truce [between 
Church and state] and, if possible, to expand it.” Hitler, von Ribbentrop said, 
was doing his part in bringing this improvement about. He had quashed no fewer 
than 7,000 indictments of Catholic clergymen, charged with a variety of 
financial and sexual crimes, and was continuing the National Socialist 
government’s policy of giving a large annual financial subsidy to the Catholic 
Church. Indeed, the pope had much to be thankful to Hitler for, von Ribbentrop 
suggested; if the Church still existed in Europe, it was only thanks to 
National Socialism, which had eliminated the Bolshevist threat.


Here the German and Vatican accounts of the conversation begin to differ. 
According to the German version, “the Pope showed complete understanding toward 
the Foreign Minister’s statements and admitted without qualifications that the 
concrete facts were as mentioned. True, he attempted to turn the conversation 
toward certain special problems and complaints of the Curia, but he did not 
insist on going on.”

The pope’s account of the conversation was prepared by Monsignor Domenico 
Tardini, in the Secretariat of State, based on what the pope told him shortly 
after von Ribbentrop departed. We also have further insight into the 
conversation thanks to a lengthy German-language memo prepared in advance of 
the meeting as a guide to what Pius XII intended to say. The memo, which only 
recently came to light, offered a reminder of the five points the pope had sent 
to Hitler. It included, as well, other important issues the pope hoped to bring 
up. The list was long: “There have been cases of offices of high Church 
officials, including bishops, being searched … by the Gestapo.” Such actions 
violated the provisions of the concordat that had been negotiated with the 
German government shortly after Hitler had come to power. They had to stop. 
Then there was the sensitive issue of Poland:

The Holy See has the gravest concerns over the current situation of the Church 
in Poland, especially because of the extreme restrictions imposed on the 
bishops and priests; the restrictions on Church activities, even on Sundays, 
that prevent priests and the faithful from executing the most necessary 
religious acts; and the closing of many religious institutes and Catholic 
private schools.

Following the meeting, the pope remarked that von Ribbentrop had struck him as 
a rather vigorous young man, but one who railed like a fanatic when he spoke. 
Von Ribbentrop had told the pope that he had once been a wine merchant with 
little interest in politics. He believed in God, he said, and had been born a 
Protestant, but belonged to no church. In response to von Ribbentrop’s 
complaint that the pope’s predecessor had used strong words against Germany, 
Pius pointed out that, by contrast, in his own first encyclical, released the 
previous October, he had taken care not to offend the Germans, and in his 
subsequent Christmas address, his mention of the suffering of a “little people” 
had referred not to Poland, as some had claimed, but rather to Finland, which 
the Russians had recently overrun.


Von Ribbentrop tried to impress the pope with the Germans’ certainty of winning 
the war before the year’s end, a claim he kept repeating. “I had never seen a 
man of ice until I had met with von Ribbentrop,” Giuseppe Bastianini, 
Mussolini’s undersecretary for foreign affairs, had observed, and now the pope 
was seeing the famously warmongering Nazi in action.

Two months after the pope’s meeting with von Ribbentrop, the German army began 
its rapid march westward, occupying the Netherlands, Belgium, Luxembourg, and 
France in shockingly short order, while driving a British expeditionary force 
from the continent. Poland had been dismembered. Yet the pope’s secret meetings 
with the Nazi prince continued; the last one took place in the spring of 1941. 
In the end, no formal agreement emerged from the meetings, and so in a narrow 
sense they could be deemed a failure. What the meetings did was string the pope 
along and help keep him silent. Hitler never intended to restore the 
prerogatives of the Church in Germany, but he knew how to dangle various 
enticements.


Pius XII and Adolf Hitler had no affection for each other. Yet each man had his 
own reasons for initiating these talks. The pope placed the highest priority on 
reaching a deal with the Nazi regime to end the persecution of the Roman 
Catholic Church in the Third Reich and in the lands that it conquered. For his 
part, Hitler saw an opportunity to end the papal criticism that had become such 
an irritant under the previous pope. As Prince von Hessen had told the pope, 
Hitler saw only two potential impediments to reaching an understanding: “the 
racial question” and the involvement of Catholic clergy in German politics. 
Priests and bishops should not be permitted to utter any criticism of Nazi 
policies.

There is no indication that the pope ever brought up the Nazis’ campaign 
against Europe’s Jews as an issue. (Nor, for that matter, was the pope then 
expressing any opposition to Mussolini’s own “racial laws” as long as they 
affected only Italy’s Jews.) As for Hitler’s second concern, the pope 
repeatedly denied that the Catholic clergy was involved in the political realm. 
If the pope in fact thought it proper for the Catholic clergy to criticize 
anyof the Nazi regime’s policies other than those that directly affected the 
Church, he did not insist on the matter.


Pius XII had other priorities. As the head of a large international 
organization, his overriding aim in negotiations with Hitler’s emissary was 
protecting the institutional resources and prerogatives of the Roman Catholic 
Church in the Third Reich. If the only goal was to protect the welfare of the 
institutional Church, his efforts could well be judged a success. But for those 
who see the papacy as a position of great moral leadership, the revelations of 
Pius XII’s secret negotiations with Hitler must come as a sharp disappointment. 
As the war years wore on, in all their horror, Pius XII came under great 
pressure to denounce Hitler’s regime and its ongoing attempt to exterminate 
Europe’s Jews. He would resist until the end.

David Kertzer would like to thank Roberto Benedetti for his contribution to the 
archival work on which this article is based.

This article is excerpted from Kertzer’s forthcoming book, The Pope at War: The 
Secret History of Pius XII, Mussolini, and Hitler.

When you buy a book using a link on this page, we receive a commission. Thank 
you for supporting The Atlantic.

David I. Kertzer is the author of the forthcoming book The Pope at War: The 
Secret History of Pius XII, Mussolini, and Hitler.Kertzer was awarded the 2015 
Pulitzer Prize for Biography for The Pope and Mussolini: The Secret History of 
Pius XI and the Rise of Fascism in Europe.

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