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Adapted prose from Wikipedia under CC BY-SA 4.0.
1911 Encyclopædia Britannica — public domain in the United States.
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Set in EB Garamond and JetBrains Mono. Built on Next.js 16 + Postgres 17 with pgvector + Drizzle ORM, deployed to Vercel atop a Neon Postgres branch.

Source at github.com/chloeilabs/alexandria.

Alexandria · MMXXVIExplicit colophon · 2026

Person · 1251 CE – 1313 CE

Bolesław II of Masovia

Also known as

Bolesiaw II. von Masowien
Boleslao II di Masovia
Boleslas II de Mazovie
Boleslav II. Mazovski
Boleslav II. Mazovský
Boleslaw II of Mazovia , Duke of Mazovia

archival plate · Bolesław II of Masovia · placeholder

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

Connected to

child · father ofEuphrosyne of Masovia1292 CE

+ 10 further connections to entries not yet ingested

Bolesław II of Masovia · Alexandria