On This Day in History
Discover key historical events within the Genesis range (1950–2049) that occurred on this calendar day, and claim their commemorative registry plaques.
March 21
9 historical milestones registered between 1950 and 2049
The Moondog Coronation Ball, generally considered to be the first major rock and roll concert, took place at the Cleveland Arena in Cleveland, Ohio.
Wikipedia: Moondog Coronation Ball
Police in Sharpeville, South Africa, opened fire on a group of unarmed black demonstrators who were protesting pass laws, killing 69 people and wounding 180 others.
Wikipedia: SharpevilleThe Federal Bureau of Prisons closed Alcatraz Federal Penitentiary on Alcatraz Island (pictured) in San Francisco Bay, California.
Wikipedia: Federal Bureau of Prisons
War of Attrition: The Battle of Karameh took place between the Israel Defense Forces and allied troops of the Palestine Liberation Organization and the Jordanian Armed Forces.
Wikipedia: War of Attrition
The American soap opera Dallas aired the episode "A House Divided", which led to eight months of international speculation on "Who shot J.R.?"
Wikipedia: Dallas (TV series)
In the West Bank, a number of Palestinian girls complained of breathing difficulties due to strange odors, leading to accusations of poison gas.
Wikipedia: West Bank
A man smashed the statue of Phra Phrom at the Erawan Shrine in Bangkok, Thailand, with a hammer, and was subsequently beaten to death by bystanders.
Wikipedia: Phra Phrom
Jack Dorsey sent the first message on the social-media network Twitter.
Wikipedia: Jack Dorsey
A major explosion at a chemical plant in Yancheng, China, killed 78 people and injured 640 others.
Wikipedia: 2019 Xiangshui chemical plant explosion