1948 November 12 - In Tokyo, an international war crimes tribunal sentences 7 Japanese military and government officials to death, including General Hideki Tojo, for their roles in World War II.
American Civil Rights Movement: In Montgomery, Alabama, seamstress Rosa Parks refuses to give her bus seat to a white man and is arrested for violating the city's racial segregation laws.
1961 July 21 - Mercury program: Gus Grissom, piloting the Mercury-Redstone 4 capsule Liberty Bell 7, becomes the second American to go into space (sub-orbital). Upon splashdown, the hatch prematurely opens, and the capsule sinks.
In Cold Blood killers Richard Hickock and Perry Smith, convicted of murdering four members of the Herbert Clutter family of Holcomb, Kansas, are executed by hanging at the Kansas State Penitentiary For Men in Lansing, Kansas.
1966 March 22 - In Washington, D.C., General Motors President James M. Roche appears before a Senate subcommittee, and apologizes to consumer advocate Ralph Nader for the company's intimidation and harassment campaign against him.
Egypt closes the Straits of Tiran and blockades the port of Eilat at the northern end of the Gulf of Aqaba to Israeli shipping, laying the foundations for the Six Day War.
1970: March 6 - A bomb being constructed by members of the Weathermen and meant to be planted at a military dance in New Jersey, explodes, killing 3 members of the organization.