As of 2022-03-07, the Wikidata property PeriodO period ID (P9350) is used on 18 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P31 instance of 18
 0.0000
P646 Freebase ID 17
 0.0000
P910 topic's main category 16
 0.0000
P373 Commons category 16
 0.0000
P244 Library of Congress authority ID 14
 0.0000
P1417 Encyclopædia Britannica Online ID 13
 0.0001
P582 end time 13
 0.0000
P580 start time 13
 0.0000
P227 GND ID 11
 0.0000
P18 image 11
 0.0000
P8189 National Library of Israel J9U ID 10
 0.0001
P361 part of 10
 0.0000
P2924 Great Russian Encyclopedia Online ID 8
 0.0002
P268 Bibliothèque nationale de France ID 8
 0.0000
P1343 described by source 8
 0.0000
P276 location 8
 0.0000
P17 country 8
 0.0000
P3417 Quora topic ID 7
 0.0000
P527 has part or parts 7
 0.0000
P2347 YSO ID 6
 0.0003
P3219 Encyclopædia Universalis ID 6
 0.0002
P2581 BabelNet ID 6
 0.0001
P1296 Gran Enciclopèdia Catalana ID 6
 0.0001
P2163 FAST ID 6
 0.0000
P6404 Treccani's Dizionario di Storia ID 5
 0.0006
P508 BNCF Thesaurus ID 5
 0.0003
P7818 French Vikidia ID 5
 0.0002
P3222 NE.se ID 5
 0.0001
P710 participant 5
 0.0001
P156 followed by 5
 0.0000
P155 follows 5
 0.0000
P5063 Interlingual Index ID 4
 0.0004
P4212 PACTOLS thesaurus ID 4
 0.0002
P1014 Art & Architecture Thesaurus ID 4
 0.0002
P7305 Online PWN Encyclopedia ID 4
 0.0001
P8408 KBpedia ID 4
 0.0001
P349 National Diet Library ID 4
 0.0000
P4839 Wolfram Language entity code 4
 0.0000
P6366 Microsoft Academic ID 4
 0.0000
P269 IdRef ID 4
 0.0000
P9867 e-Maapõu stratigraphy ID 3
 0.0057
P5986 Getty Iconography Authority ID 3
 0.0032
P6385 Krugosvet article 3
 0.0005
P465 sRGB color hex triplet 3
 0.0003
P3553 Zhihu topic ID 3
 0.0002
P1424 topic's main template 3
 0.0002
P8406 Grove Art Online ID 3
 0.0001
P3365 Treccani ID 3
 0.0001
P10283 OpenAlex ID 3
 0.0000
P576 dissolved, abolished or demolished date 3
 0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P4306 FOIH periods ID 1
 0.0116
P9867 e-Maapõu stratigraphy ID 3
 0.0057
P5582 number of arrests 1
 0.0050
P9281 Encyclopedia of Greater Philadelphia ID 1
 0.0040
P5986 Getty Iconography Authority ID 3
 0.0032
P4220 order of battle 1
 0.0032
P7644 Encyclopedia of Cleveland History ID 1
 0.0029
P7723 The Encyclopedia of Oklahoma History and Culture ID 1
 0.0025
P9000 World History Encyclopedia ID 2
 0.0021
P7786 Joconde epoch ID 1
 0.0019
P3938 named by 1
 0.0017
P7695 e-WV: The West Virginia Encyclopedia ID 2
 0.0016
P9082 Academic Encyclopedia of Czech History ID 1
 0.0016
P7832 Basque Vikidia ID 1
 0.0012
P8785 AniDB tag ID 1
 0.0011
P2716 collage image 2
 0.0011
P3021 Iranica ID 1
 0.0011
P4210 Bashkir encyclopedia (Bashkir version) ID (former scheme) 1
 0.0011
P5604 archINFORM keyword ID 1
 0.0010
P4211 Bashkir encyclopedia (Russian version) ID (former scheme) 1
 0.0009
P9498 Enzyklopädie des europäischen Ostens ID 1
 0.0009
P6293 YSA ID 2
 0.0008
P3221 New York Times topic ID 2
 0.0008
P38 currency 1
 0.0007
P7685 CALS Encyclopedia of Arkansas ID 1
 0.0007
P85 anthem 1
 0.0006
P7827 Spanish Vikidia ID 1
 0.0006
P1149 Library of Congress Classification 1
 0.0006
P6404 Treccani's Dizionario di Storia ID 5
 0.0006
P2950 Nomisma ID 1
 0.0006
P7388 Great Encyclopedia of Navarre ID 1
 0.0005
P6385 Krugosvet article 3
 0.0005
P5063 Interlingual Index ID 4
 0.0004
P9545 Encyclopedia of China Online Database ID 2
 0.0004
P3569 Cultureel Woordenboek ID 2
 0.0004
P1438 Jewish Encyclopedia ID (Russian) 1
 0.0004
P1807 Great Aragonese Encyclopedia ID 2
 0.0004
P1282 OpenStreetMap tag or key 1
 0.0003
P1051 PSH ID 2
 0.0003
P465 sRGB color hex triplet 3
 0.0003
P3847 Open Library subject ID 1
 0.0003
P8885 Namuwiki ID 1
 0.0003
P508 BNCF Thesaurus ID 5
 0.0003
P4746 Elhuyar ZTH ID 2
 0.0003
P828 has cause 2
 0.0003
P7314 TDV İslam Ansiklopedisi ID 1
 0.0003
P2347 YSO ID 6
 0.0003
P7818 French Vikidia ID 5
 0.0002
P194 legislative body 1
 0.0002
P4212 PACTOLS thesaurus ID 4
 0.0002