birthhigh confidence
1849-01-01
1 linked sourceBorn 1849-01-01 · Died 1907-01-01
Constantin Pfeiffer was born (1849-01-01). Source: Wikidata referenced P569 statement
Constantin Pfeiffer died (1907-01-01). Source: Wikidata referenced P570 statement
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1849-01-01
1 linked source1907-01-01
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q126933586$B37BBAC6-F31B-4CE1-A24C-4F3D3D3AB9F2; 3 source anchors · Wikidata · P569
Open original sourceQ126933586$6FEE06BC-7685-4D14-ADEA-AEF63E599112; 3 source anchors · Wikidata · P570
Open original source