birthhigh confidence
1854-04-07
1 linked sourceBorn 1854-04-07 · Died 1915-01-21
Rudolf Alexander Nicolai Knüpffer was born (1854-04-07). Source: Wikidata referenced P569 statement
Rudolf Alexander Nicolai Knüpffer died (1915-01-21). Source: Wikidata referenced P570 statement
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1854-04-07
1 linked source1915-01-21
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q126906144$325F220A-5467-4FAA-A753-282D3880CE1A; 3 source anchors · Wikidata · P569
Open original sourceQ126906144$51CA7354-2720-4B94-9BF1-384C7587026E; 3 source anchors · Wikidata · P570
Open original source