historischen

Historischen is an inflected form of the German adjective historisch, meaning related to history or historical. It is not a standalone noun; its ending changes according to gender, number, and case, and it often appears with definite or mixed declension.

In use, historische is the form that appears after definite articles or in plural in several cases, most commonly with the -en ending. For example: die historischen Quellen (historical sources) in the nominative plural, den historischen Ereignissen (to the historical events) in the dative plural, der historischen Stadt (to the historical city) in the genitive singular feminine; mit dem historischen Kontext (with the historical context) in the dative singular masculine or neuter. These patterns illustrate how -en is a frequent ending for adjectives in many German declensions.

Originating from the Latin word historia, via the German historisch, the term has been part of the standard vocabulary since the Middle Ages and is widely used in academia, journalism, and everyday language to mark a relation to past events, periods, records, or scholarly study of the past.

See also the broader concept of German adjective declension, which governs how historisch changes form to agree with nouns in different syntactic roles. The word remains common in discussions of history, historiography, archaeology, archaeology, and other fields where past phenomena are described or analyzed.