Genius Albert Einstein died due to heart failure at age 76.
Source
The Royal Academy of History (Real Academia de la Historia) was founded in Madrid by King Philip V of Spain.
After hyping the game up for years, Valve finally released Portal 2 for PC, PS3, and Xbox 360.
Robert Menzies, Australia's longest-serving Prime Minister, was elected.
Pope Saint Eusebius became the bishop of Rome.
The inaugural meeting of the International Court of Justice was held in The Hague, Netherlands.
