Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km2), by United States Secretary of State William H. Seward.
29 March 2004
Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia, and Slovenia join NATO as full members.
28 March 1979
A coolant leak at the Three Mile Island’s Unit 2 nuclear reactor outside Harrisburg, Pennsylvania leads to the core overheating and a partial meltdown.
27 March 2002
Passover massacre: A Palestinian suicide bomber kills 29 people at a Passover seder in Netanya, Israel.
25 March 1996
The European Union’s Veterinarian Committee bans the export of British beef and its by-products as a result of mad cow disease (Bovine spongiform encephalopathy).
24 March 1882
Robert Koch announces the discovery of Mycobacterium tuberculosis, the bacterium responsible for tuberculosis
23 March 2020
Prime Minister Boris Johnson put the United Kingdom into its first national lockdown in response to COVID-19.
21 March 1965
Martin Luther King Jr. leads 3,200 people on the start of the third and finally successful civil rights march from Selma to Montgomery, Alabama.