1979: Nuclear Meltdown Occurs at Three Mile Island
On March 28, 1979, the Three Mile Island nuclear power plant experienced a partial meltdown. It was the worst-ever commercial nuclear accident in American history.
Meltdown...
1633: Galileo Faces Inquisition
On February 13, 1633, Galileo arrived in Rome to be tried for promoting Copernican theories, such as the revolutionary idea that the Earth orbits...
1937: Gas Leak Causes New London School Explosion
On March 18, 1937, the worst school disaster in American history occurred when a gas explosion killed nearly 300 schoolchildren in Texas.
Gas Explosion Destroys...
1960: South African Police Open Fire on Crowd in Sharpeville Massacre
On March 21, 1960, South African police fired into a crowd of black protesters who had surrounded a police station in Sharpeville, killing 69...
1971: Charles Manson and Followers Sentenced to Death
On March 29, 1971, a jury sentenced Charles Manson and three members of his “Family” to death for murdering actress Sharon Tate and seven...
1962: Cuban Missile Crisis Begins
On Oct. 14, 1962, a United States spy plane spotted missile bases under construction in Cuba, touching off the two-week Cuban Missile Crisis.
Two Weeks...
1857: Supreme Court Rules Against Dred Scott
On March 6, 1857, the Supreme Court ruled against Dred Scott, a slave who sued for freedom after spending time in free territory. The...
On This Day: Charles Whitman Carries Out Sniper Attack From University of Texas Tower
Charles Whitman had been a model citizen before the rampage. One of the youngest Boy Scouts ever to earn Eagle Scout honors, he joined...
1887: First Groundhog Day Celebrated in Punxsutawney
On February 2, 1887, Punxsutawney, Pennsylvania, celebrated the first official Groundhog Day, a holiday with roots in ancient traditions.
The Origins of Groundhog Day
On February...
1937: President Roosevelt Proposes “Court-Packing” Plan
On February 5, 1937, President Franklin D. Roosevelt presented Congress with legislation intended to manufacture Supreme Court approval for his New Deal.
“Court-Packing” Bill Fails...










