*Here's your quick overview of what has been happening around Wikidata over
the last week.*
Welcome to the 400th Weekly Summary!

Here are some interesting Wikidata facts or queries collected by the
community and related to the number 400:

   - Item #400 is Jenna Jameson <https://www.wikidata.org/wiki/Q400>;
   Property #400 is platform <https://www.wikidata.org/wiki/Property:P400>
   (software), and Lexeme #400 is "*vierhonderd*
   <https://www.wikidata.org/wiki/Lexeme:L400>" - Dutch for "four hundred".
   The QID for the natural number 400 is Q1535396
   <https://www.wikidata.org/wiki/Q1535396>. The QID for the year 400 is
   Q25621 <https://www.wikidata.org/wiki/Q25621>.
   - The page ID 400 <https://www.wikidata.org/w/index.php?curid=400> is Ludwig
   van Beethoven <https://www.wikidata.org/wiki/Q255>; the Wikidata page
   version ID 400 was a version of
   <https://www.wikidata.org/w/index.php?oldid=400> printer
   <https://www.wikidata.org/wiki/Q82>.
   - The Greek philosopher Hypatia <https://www.wikidata.org/wiki/Q11903>,
   one of the first women scientists, became head of the Neo-Platonist school
   at Alexandria, in 400 AD. We include her here in tribute to those working
   to reduce Wikidata's gender gap.
   - Wikimedia Commons has 627 images
   <https://commons.wikimedia.org/wiki/Category:Taken_with_Canon_PowerShot_A400>
   taken with the Canon PowerShot A400
   <https://www.wikidata.org/wiki/Q20889009> - you can see one on baritone
   saxophone <https://www.wikidata.org/wiki/Q808218>.
   - Map of things at an altitude of 400 m <https://w.wiki/Fsk>.
   - Map of places with a population of 400 ± 5 (yellow) graduating to 400
   ± 0 (red) <https://w.wiki/Fyu>.
   - From this query <https://w.wiki/Fsi>, Wikidata knows of 21 theatres
   <https://www.wikidata.org/wiki/Q24354>, 15 cinemas
   <https://www.wikidata.org/wiki/Q41253>, 11 sports venues
   <https://www.wikidata.org/wiki/Q1076486>, 11 event venues
   <https://www.wikidata.org/wiki/Q18674739>, and 9 ships
   <https://www.wikidata.org/wiki/Q11446> having a maximum capacity
   <https://www.wikidata.org/wiki/Property:P1083> of 400.
   - Image grid <https://w.wiki/Fsr> of taxa
   <https://www.wikidata.org/wiki/Q16521> with a highest observed lifespan
   <https://www.wikidata.org/wiki/Property:P4214> of at least 400 years.
   - Image grid <https://w.wiki/Fsy> of items with a mass
   <https://www.wikidata.org/wiki/Property:P2067> of 400 kilograms
   <https://www.wikidata.org/wiki/Q11570> and image grid
   <https://w.wiki/Fsx> of items with a mass
   <https://www.wikidata.org/wiki/Property:P2067> of 400 grams
   <https://www.wikidata.org/wiki/Q41803>.
   - List of 400m distance sports events <https://w.wiki/GE5>.
   - 400 Ducrosa <https://www.wikidata.org/wiki/Q152455> is a main-belt
   asteroid named after J. Ducros <https://www.wikidata.org/wiki/Q76401873>.
   - List of items with an external ID equal to 400 <https://w.wiki/GD$>.
   - Last but not least, 400 dahlias <https://w.wiki/GDo> for Léa, Lydia
   and the other contributors to this list!

Events <https://www.wikidata.org/wiki/Special:MyLanguage/Wikidata:Events>

   - Past: Wikidata office hour on Telegram, January 22nd. Notes of the
   meeting
   <https://www.wikidata.org/wiki/Wikidata:Events/IRC_office_hour_2020-01-22>
   - Upcoming: WikiTuesday / Wikidata Talks Meetup
   
<https://discuss-space.wmflabs.org/t/vikisali-istanbul-bulusmalari-28-ocak-wikituesday-istanbul-meetup-january-28/3022>
   in Istambul, Turkey, January 28th
   - Upcoming: online meeting dedicated to organizers of Wikidata's 8th
   birthday <https://www.wikidata.org/wiki/Wikidata:Eighth_Birthday>,
   January 29th

Tool of the week

   - Duplicate Item
   <https://www.wikidata.org/wiki/User:Magnus_Manske/duplicate_item.js>
   copies the current item (without descriptions or sitelinks) to a new item.
   This tool is useful for splitting items and for making sets of similar
   items. Recommended for experienced users.

Other Noteworthy Stuff

   - New development roadmap for Wikidata and Wikibase for 2020
   <https://www.wikidata.org/wiki/Wikidata:Development_plan>
   - OpenRefine usage survey 2020
   
<https://docs.google.com/forms/d/e/1FAIpQLSd-Z00h433Y0pIutYyeW98C0Yss6p7RFisVIkkM8uxUtEpmRw/viewform>
   - Wikidata has an entry
   <https://datasetsearch.research.google.com/search?query=Wikidata>
in Google's
   new data search tool <https://datasetsearch.research.google.com/>

Did you know?

   - Newest properties
   <https://www.wikidata.org/wiki/Special:ListProperties>:
      - General datatypes: attested as
      <https://www.wikidata.org/wiki/Property:P7855>, category for files
      created with program
<https://www.wikidata.org/wiki/Property:P7861>, period
      of lactation <https://www.wikidata.org/wiki/Property:P7862>, aperture
      <https://www.wikidata.org/wiki/Property:P7863>
      - External identifiers: C64.COM ID
      <https://www.wikidata.org/wiki/Property:P7852>, c64games.de ID
      <https://www.wikidata.org/wiki/Property:P7853>, eu-football.info team
      ID <https://www.wikidata.org/wiki/Property:P7854>, museum in Salzburg
      (AT) ID <https://www.wikidata.org/wiki/Property:P7856>, fyyd podcast
      episode ID <https://www.wikidata.org/wiki/Property:P7857>, Upper
      Austria Museum ID
<https://www.wikidata.org/wiki/Property:P7858>, WorldCat
      Identities ID <https://www.wikidata.org/wiki/Property:P7859>, word in
      DEJ of RAE ID <https://www.wikidata.org/wiki/Property:P7860>, HAL
      article ID <https://www.wikidata.org/wiki/Property:P7864>
   - New property proposals
   <https://www.wikidata.org/wiki/Special:MyLanguage/Wikidata:Property_proposal>
   to review:
      - General datatypes: LiverTox Likelihood Score
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/LiverTox_Likelihood_Score>,
      dean <https://www.wikidata.org/wiki/Wikidata:Property_proposal/dean>,
stated
      age in source
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/stated_age_in_source>,
      US Bureau of Prisons Register Number
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/US_Bureau_of_Prisons_Register_Number>,
      located in the constituency
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/located_in_the_constituency>,
      motherboard
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/motherboard>,
      WMF short URL
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/WMF_short_URL>,
      Recognition, recognized by, not recognized by, jurisdiction status
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Recognition,_recognized_by,_not_recognized_by,_jurisdiction_status>,
      supported metadata
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/supported_metadata>,
      expansion
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/expansion>,
historic
      first
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/historic_first>,
      number of pins, number of pin positions
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/number_of_pins,_number_of_pin_positions>,
      catalogue raisonné
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/catalogue_raisonn%C3%A9>,
      Dose <https://www.wikidata.org/wiki/Wikidata:Property_proposal/Dose>,
value
      group number
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/value_group_number>,
      external georeferencer URL
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/external_georeferencer_URL>,
      axis <https://www.wikidata.org/wiki/Wikidata:Property_proposal/axis>,
Voting
      system
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/Voting_system>,
      image revision-id
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/image_revision-id>,
      region within image
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/region_within_image>,
      georeferencing data
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/georeferencing_data>,
      based on tabular data
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/based_on_tabular_data>,
      Number of active electronic terminals
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Number_of_active_electronic_terminals>,
      associated with
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/associated_with>,
      translated title
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/translated_title>,
      position in sequence
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/position_in_sequence>,
      Attribution text
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Attribution_text>,
      food energy
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/food_energy>,
      madhhab
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/madhhab>,
Maximum
      number of playable characters
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Maximum_number_of_playable_characters>,
      Main deity
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/Main_deity>,
      electron configuration
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/electron_configuration>,
      capital social
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/capital_social>,
      gained territory from
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/gained_territory_from>,
      key col of
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/key_col_of>,
      religion or world view
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/religion_or_world_view>,
      CMF identifier
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/CMF_identifier>,
      masculine form
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/masculine_form>,
      feminine form
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/feminine_form>,
      menu items
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/menu_items>,
      food composition
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/food_composition>,
      IP address or range
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/IP_address_or_range>,
      featured in
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/featured_in>,
      lighting
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/lighting>,
general
      law
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/general_law>,
      territorial entity ranking context
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/territorial_entity_ranking_context>,
      references
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/references>,
      mentions named entity
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/mentions_named_entity>,
      hardiness
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/hardiness>
      - External identifiers: NASA active astronaut ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/NASA_active_astronaut_ID>,
      VGMRips company ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/VGMRips_company_ID>,
      DSSTOX compound identifier
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/DSSTOX_compound_identifier>,
      Roglo person ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Roglo_person_ID>,
      VGMRips system ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/VGMRips_system_ID>,
      Museu de Memes ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Museu_de_Memes_ID>,
      Nobel API ID
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/Nobel_API_ID>,
      VideoGamer.com game ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/VideoGamer.com_game_ID>,
      Canmore object-type ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Canmore_object-type_ID>,
      Canmore maritime-type ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Canmore_maritime-type_ID>,
      GameRevolution game ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/GameRevolution_game_ID>,
      TrueAchievements game ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/TrueAchievements_game_ID>,
      PARADISEC Catalog
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/PARADISEC_Catalog>,
      ELAR ID
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/ELAR_ID>,
ChemSynthesis
      ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/ChemSynthesis_ID>,
      Whaling History ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Whaling_History_ID>,
      ft.dk politician identifier
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/ft.dk_politician_identifier>,
      Ciência ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Ci%C3%AAncia_ID>,
      7digital United Kingdom artist ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/7digital_United_Kingdom_artist_ID>,
      Ident.Nr.
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/Ident.Nr.>,
      GoodRx
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/GoodRx>, part
      number
      <https://www.wikidata.org/wiki/Wikidata:Property_proposal/part_number>,
      Faculté des sciences de Nancy ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Facult%C3%A9_des_sciences_de_Nancy_ID>,
      MIC <https://www.wikidata.org/wiki/Wikidata:Property_proposal/MIC>, UEFA
      referee ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/UEFA_referee_ID>,
      name-suggestion-index identifier
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/name-suggestion-index_identifier>,
      TrueAchievements series ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/TrueAchievements_series_ID>,
      Bollywood Hungama ID 2
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Bollywood_Hungama_ID_2>,
      Gamekult game ID
      
<https://www.wikidata.org/wiki/Wikidata:Property_proposal/Gamekult_game_ID>
   - Query examples:
      - The results of the Australian Triple J Hottest 100, 2019
      <https://www.wikidata.org/wiki/Q83572751> music voting poll were
      published on 25 January 2019. See the results with associated music
      videos to watch <https://w.wiki/G7b>.
      - Map of destinations from Wuhan Tianhe International Airport
      <https://w.wiki/GDz>
      - 50 philosophers for which DBpedia and Wikidata state different date
      of birth <https://w.wiki/GE3> (source
      <https://twitter.com/kvistgaard/status/1221806637809270785>)

Development

   - More work on wb_terms migration
   - Units support for quantity datatype (phab:T239474
   <https://phabricator.wikimedia.org/T239474>)
   - Fix the link to rawgraphs.io from WDQS (phab:T222257
   <https://phabricator.wikimedia.org/T222257>)
   - More work on showing messages related to permissions on the Wikidata
   Bridge
   - Tainted references: fix minor alignment issues (phab:T243269
   <https://phabricator.wikimedia.org/T243269>, phab:T242212
   <https://phabricator.wikimedia.org/T242212>)
   - Add a "remove warning" button to confirm a correct reference (
   phab:T234789 <https://phabricator.wikimedia.org/T234789>)
   - Preparing the ground for a unified component library for the Wikidata
   UI

You can see all open tickets related to Wikidata here
<https://phabricator.wikimedia.org/maniphest/query/4RotIcw5oINo/#R>. If you
want to help, you can also have a look at the tasks needing a volunteer
<https://phabricator.wikimedia.org/project/board/71/query/zfiRgTnZF7zu/?filter=zfiRgTnZF7zu&order=priority>.

Monthly Tasks

   - Add labels, in your own language(s), for the new properties listed
   above.
   - Comment on property proposals: all open proposals
   <https://www.wikidata.org/wiki/Wikidata:Property_proposal/Overview>
   - Suggested and open tasks
   <https://www.wikidata.org/wiki/Wikidata:Contribute/Suggested_and_open_tasks>
   !
   - Contribute to a Showcase item
   <https://www.wikidata.org/wiki/Special:MyLanguage/Wikidata:Showcase_items>
   .
   - Help translate <https://www.wikidata.org/wiki/Special:LanguageStats>
   or proofread the interface and documentation pages, in your own language!
   - Help merge identical items
   <https://www.wikidata.org/wiki/User:Pasleim/projectmerge> across
   Wikimedia projects.
   - Help write the next summary!
   <https://www.wikidata.org/wiki/Wikidata:Status_updates/Next>

-- 
Léa Lacroix
Project Manager Community Communication for Wikidata

Wikimedia Deutschland e.V.
Tempelhofer Ufer 23-24
10963 Berlin
www.wikimedia.de

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter
der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für
Körperschaften I Berlin, Steuernummer 27/029/42207.
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