Browse by time period
Ancient, medieval, early modern, colonial, modern, and documentary-specific date ranges will live here as the catalog grows.
Browse by signal type
Kingdoms and governments, discoveries and inventions, migration and settlement, trade and exchange, warfare and resistance, religion and philosophy, writing and scholarship, art and culture, law and political change, archaeology and new evidence.
Timeline entries should stay documentary-first: about 20 to 30 signals per page, filterable by region, people or polity, evidence status, and related documentary.