birthhigh confidence
1870-09-01
1 linked sourceBorn 1870-09-01 · Died 1922-11-30
Pierre Édouard Bertrand was born (1870-09-01). Source: Wikidata referenced P569 statement
Pierre Édouard Bertrand died (1922-11-30). Source: Wikidata referenced P570 statement
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1870-09-01
1 linked source1922-11-30
1 linked sourceRelationship edges remain separately sourced and reviewable.
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q123765008$60F93801-2527-4714-82D0-A23FB99314E5; 2 source anchors · Wikidata · P569
Open original sourceQ123765008$C6B44C11-4495-474B-B7D6-6907F69CA48C; 2 source anchors · Wikidata · P570
Open original source