
urkundlich
documented
Proven or verified by a certificate, deed, or another official written document.
Die erste urkundliche Erwähnung des Dorfes stammt aus dem Jahr 1254.
The first documented mention of the village dates from the year 1254.
documented
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documented
Proven or verified by a certificate, deed, or another official written document.
Die erste urkundliche Erwähnung des Dorfes stammt aus dem Jahr 1254.
The first documented mention of the village dates from the year 1254.
The adjective 'urkundlich' (documented/by document) is derived directly from the noun 'die Urkunde' (certificate/deed). An 'Urkunde' is an official, often old document that proves a fact.
Im Stadtarchiv wird die Gründungsurkunde der Stadt aufbewahrt.
The city's founding charter is kept in the municipal archive.
By far the most common combination is 'urkundlich erwähnt' (documented in writing/mentioned in a document). This expression is used to describe the first written evidence of the existence of a place or person in history.
Die Burg wurde im 11. Jahrhundert erstmals urkundlich erwähnt.
The castle was first documented in the 11th century.
'Urkundlich' (by document/documented) is almost always used as an adverb that defines a verb more precisely. It answers the question 'How is it documented?'. Typical verbs are 'erwähnen' (to mention), 'belegen' (to document/prove), or 'nachweisen' (to verify/prove).
Es ist urkundlich belegt, dass die Brücke schon im Mittelalter existierte.
It is documented that the bridge already existed in the Middle Ages.
This word belongs to the language of historians, lawyers, and administration. It is often found in texts about history, in archives, or in official documents.
Der Historiker sucht nach einer urkundlichen Bestätigung seiner These.
The historian is looking for documentary confirmation of his thesis.
official
Amtlich emphasizes that something comes from an office or authority, has been officially confirmed or certified, or is official. Urkundlich more specifically means that a fact is proven by a certificate, deed, or another official document. The key distinction is therefore confirmation by an authority versus proof through a document.

Ihre neue Adresse ist durch die Meldebescheinigung urkundlich belegt.
Her new address is documented by the registration certificate.
Das Einwohnermeldeamt hat ihre neue Adresse amtlich bestätigt.
The registry office officially confirmed her new address.