birthhigh confidence
1817-01-01
1 linked sourceBorn 1817-01-01 · Died 1892-01-01
Johann Heinrich Siem was born (1817-01-01). Source: Wikidata referenced P569 statement
Johann Heinrich Siem died (1892-01-01). Source: Wikidata referenced P570 statement
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1817-01-01
1 linked source1892-01-01
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q126933810$CCDB269F-F974-403C-9CFD-DD5AFAC83BDA; 3 source anchors · Wikidata · P569
Open original sourceQ126933810$ADDFDD2E-6A33-4314-952F-E3B55E7EF0B2; 3 source anchors · Wikidata · P570
Open original source