birthhigh confidence
1837-01-01
1 linked sourceBorn 1837-01-01 · Died 1867-01-01
Johannes Ferdinand Häcker was born (1837-01-01). Source: Wikidata referenced P569 statement
Johannes Ferdinand Häcker died (1867-01-01). Source: Wikidata referenced P570 statement
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1837-01-01
1 linked source1867-01-01
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q126933725$82FD6504-699B-4ECE-A6BA-21D55797A85C; 3 source anchors · Wikidata · P569
Open original sourceQ126933725$B4C6A62F-4A6F-42CA-B630-FDE1D6E17F3E; 3 source anchors · Wikidata · P570
Open original source