birthhigh confidence
1839-06-22
1 linked sourceBorn 1839-06-22 · Died 1917-00-00
Nikolay Firsov was born (1839-06-22). Source: Wikidata referenced P569 statement
Nikolay Firsov died (1917). Source: Wikidata referenced P570 statement
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1839-06-22
1 linked source1917-00-00
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q105077036$AE3B3266-38F2-4032-AC32-26F5948A61B5; 2 source anchors · Wikidata · P569
Open original sourceQ105077036$9134b174-4b46-5fd6-7a44-6b45df0b53c5; 1 source anchor · Wikidata · P570
Open original source