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A living digital encyclopedia of human civilization. Begin anywhere; follow the threads.

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Adapted prose from Wikipedia under CC BY-SA 4.0.
1911 Encyclopædia Britannica — public domain in the United States.
Imagery via Wikimedia Commons; per-image attribution on each entry.

¶ Colophon

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

Event

Double-Cross System

Also known as

Double Cross System
Sistema Double Cross
sistema Double-Cross
Sistema Double-Cross
sistema XX
système Double Cross

archival plate · Double-Cross System · placeholder

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

Connected to

3 links to entries not yet ingested in the Library.

Double-Cross System · Alexandria