Events from 1832

Evariste Galois develops group theory before dying in duel at age 20

Paris cholera epidemic kills 120,000 people, 7,000 in Paris alone

Carl von Clausewitz's 'On War' published posthumously - revolutionizes military theory with concepts of friction, fog of war, and war as politics

Pope Gregory XVI issues Mirari Vos condemning liberalism and freedom of press