A time-scrubbed map, a network you can pivot, a layered chart with toggles. Each atlas lets you find the same period or place across multiple lenses, with the data behind it one click away.
Who influenced whom — Aquinas through Acemoglu
Scrub from 1820 to today — flat or globe
Routes, cities, and eras — Silk Road and Atlantic
Family geography and dispersal arcs, -10,000 to today
London, Beijing, Delhi, Istanbul — 1500 to 1820