History is happening everywhere.
Move through time, watch borders change and discover what people across the world were building, fighting for and imagining in the very same year.
The past gets stranger when you see the whole world at once.
Political boundaries are only the beginning. Each year opens onto disputes, discoveries and near misses that shaped the map we know.
What was happening in the world when Cleopatra lived?
Travel from Alexandria to Han China, Meroë and a Zapotec city in a guided discovery of one lifetime.
Follow Cleopatra's world → 1610 · LIVES THAT OVERLAPShakespeare and Tokugawa Ieyasu were contemporaries.
An English playwright and Japan's first Tokugawa shogun shared decades of history. Compare their lifespans and explore their worlds.
Meet them in the same year → 1859 · SAN JUAN ISLANDSA pig nearly started a war between Britain and America.
One disputed boundary, one shot pig and two military forces produced a twelve-year standoff without a human casualty.
See the world in 1859 →One year. A whole world.
The atlas brings geography and chronology together, so events are shown within one year of the date you choose rather than bundled into a vague historical era.
Read the map with context
Explore historical borders from 3400 BC onward. Dashed outlines mark approximate reconstructions, with uncertainty explained on the map.
See simultaneous events
Find events across six world regions within a strict ±1-year window.
Discover unexpected contemporaries
Compare overlapping lives across cultures, visit their associated places and share the same moment in history.
Where in history will you begin?
Drag the timeline from prehistory to 2026.
Open History All Around →