AD

Probus becomes Emperor of Rome.

The Roman Empire is divided by Diocletian, he rules the East, Maximiam rules the West.

The volcano Vesuvius erupts, spewing lava so quickly that it preserved the city of Pompeii. Titus is the current emperor of Rome.

The theory of relative motion is put forward by Galileo Galilee.

Polish-Ottoman War ends.

Berlin Wall is torn down and communist rule ends in East Germany.

The Soviet Union collapses. NATO gets involved in Yugoslavia.

Penicillin is discovered on accident by Alexander Flemming.

Crusaders defeat the Saracens at Antioch.