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1911 Encyclopædia Britannica — public domain in the United States.
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Alexandria · MMXXVIExplicit colophon · 2026

Janusz I of Warsaw · Alexandria

Person · 1347 CE – 1429 CE

Janusz I of Warsaw

Also known as

Jan I van Mazovie
Jan I van Mazovië
Jan I van Warschau
Jan I. Starší
Jan I. Varšavský
Janusz I

archival plate · Janusz I of Warsaw · placeholder

This entry is a stub. The Library is awakening — a longer account is being written.

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