birthhigh confidence
1830-12-15
1 linked sourceBorn 1830-12-15 · Died 1887-07-08
Constantinus Mertens was born (1830-12-15). Source: Wikidata referenced P569 statement
Constantinus Mertens died (1887-07-08). Source: Wikidata referenced P570 statement
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1830-12-15
1 linked source1887-07-08
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q115837991$04657BAD-1835-49E5-A985-644C6633B46C; 1 source anchor · Wikidata · P569
Open original sourceQ115837991$BB8509EA-3A6D-4427-B7C1-5AA13DADEA6B; 1 source anchor · Wikidata · P570
Open original source