FWIW, seem to recall having seen it claimed, that Dane Rudhyar predicted sometime in the 70's the dissolution of Soviet Union on the basis of transiting Pluto in conjunction with Soviet natal Sun in tropical Scorpio, in 1991...
But that might well not be true! http://en.wikipedia.org/wiki/Dane_Rudhyar http://www.beyondsunsigns.com/rudhyaraudiophilosophy.html