On this day in 1981, the Central Committee of the Communist Party of China issued its "Resolution on Certain Questions in the History of Our Party Since the Founding of the People's Republic of China", laying the blame for the Cultural Revolution on Mao Zedong.
On this day in 2007, Tony Blair resigned as British Prime Minister, a position he had held since 1997.
On this day in 2013, NASA launched the Interface Region Imaging Spectrograph, a space probe to observe the Sun.
On this day in 2015, a midair explosion from flammable powder at a recreational water park in Taiwan injured at least 510 people with about 183 in serious condition in intensive care.