Sachin Tendulkar becomes the first cricket player to score a double-century in the One Day International format. The Indian sportsman is widely recognized as one of the greatest batsmen in cricket.

A Boeing 747 jumbo jet rips open over the Pacific Ocean. United Airlines Flight 811 experienced an explosive decompression, resulting in the death of 9 passengers.

The German nazi party is founded. Adolf Hitler became the party's leader in 1921.

The world's first opera is premiered. Claudio Monteverdi's “L'Orfeo” is still performed regularly today.

Pope Gregory XIII orders the introduction of the Gregorian calendar. Luigi Lilio's reform of the Julian calendar was first introduced in some European countries and is now the world's most widely used calendar.