Singer Whitney Houston was found dead in a hotel room in Beverly Hills, Calif., at age 48. (Her death was later ruled an accidental drowning, with heart disease and cocaine use as contributing factors.).
As a result of the Arab Spring protests, Egyptian president Hosni Mubarak announces his resignation and hands power of the country over to the military.
Followers of Ayatollah Ruhollah Khomeini seized power in Iran, nine days after the religious leader returned to his home country following 15 years of exile.
President Franklin D. Roosevelt, British Prime Minister Winston Churchill and Soviet leader Josef Stalin wrapped up a conference at Yalta in the Crimea by signing a series of agreements on the governance of post-World War II Europe.
The BBC broadcasts Karel Čapek's “R.U.R.”, the world's first science fiction TV program. The Czech play whose abbreviated title stands for “Rossum's Universal Robots” introduced the word “robot” to the English language.