On this day in 1927, Kuomintang leader Chiang Kai-shek ordered the Communist Party of China members executed in Shanghai, ending the First United Front.
On this day in 1945, US President Franklin D. Roosevelt died while in office; Vice President Harry Truman was sworn in as the 33rd President.
On this day in 1961, the Soviet cosmonaut Yuri Gagarin became the first human to travel into outer space.
And on this day in 1992, the Euro Disney Resort officially opened. The resort and its park's name were subsequently changed to Disneyland Paris.