November 1: the history they never taught you.

4 stories from the archive happened on this date—each drawn from published sources before it was written.

A Math Proof Against Slavery, and the Revolt It Lit

A Jesuit mathematician set out to prove that slavery was mathematically impossible, and the result triggered the largest slave revolt in history.

Lisbon's Earthquake and the Slow Loss of Brazil

The earthquake that leveled Lisbon also quietly ended Portugal's golden age—but not in the way anyone expected.

The Spilled Milk That Saved Lisbon's Crowd

A Portuguese nun's breakfast saved Lisbon from complete extinction in 1755.

The First Jet Dogfight Lasted Thirty Seconds

History's first jet-vs-jet dogfight was over in less than a minute—and the pilot who won it was flying a plane he wasn't supposed to be in.

A story like this, every day.

Untold Archives delivers one untold history story, every morning.