Which treaty ended the Thirty Years' War?

William of Normandy defeated Harold at Hastings in 1066, beginning Norman rule in England. This is a well-documented historical or scientific fact.

J.J. Thomson discovered the electron using cathode ray experiments in 1897, earning the Nobel Prize in Physics in 1906.

The fire of 1666 devastated London, destroying much of the medieval city but leading to improved urban planning.

Hammurabi’s Babylonian code (18th century BCE) was one of the earliest legal codes, inscribed on stone steles.

Yuri Gagarin, a Soviet cosmonaut, became the first human in space on April 12, 1961, aboard Vostok 1.