This Day That Year

October 19

in History

The Battle of Zama — Hannibal's legend ends in African dust
Zama, North Africa (Tunisia)Ancient
202

The Battle of Zama

Hannibal's legend ends in African dust

On the sun-scorched plains near Carthage, Roman legions under Scipio Africanus finally defeated the legendary Hannibal Barca in the decisive Battle of Zama. The victory ended the seventeen-year Second Punic War and broke Carthage's power forever. Scipio's triumph secured Rome's dominance over the western Mediterranean and earned him the immortal surname Africanus.

202 BC
Planck Discovers His Law — A formula that would shatter classical physics
Berlin, GermanyEarly 20th Century
1900

Planck Discovers His Law

A formula that would shatter classical physics

In his Berlin study, Max Planck arrived at a mathematical formula describing black-body radiation that perfectly matched experimental data. His discovery of what became Planck's law introduced the revolutionary concept of energy quanta, tiny packets of energy that classical physics could not explain. This quiet breakthrough would ignite the quantum revolution.

1900 AD
Juan Federico Ponce Vaides — A coup is launched against Juan Federico Ponce Vaides, beginning the ten-year Guatemalan Revolution.
Early 20th Century
1944

Juan Federico Ponce Vaides

A coup is launched against Juan Federico Ponce Vaides, beginning the ten-year Guatemalan Revolution.

A coup is launched against Juan Federico Ponce Vaides, beginning the ten-year Guatemalan Revolution.

1944 AD