April 20 - What happened today?

Home What happened today in history? Blamepro's Almanac for April 20
In the headlines today:

1999	12 students at Columbine High School in Littleton, CO, are killed when two classmates open fire with rifles and handguns.
1987	Starlight Express, a musical featuring actors and actresses wearing rollerskates, produced the best-ever opening week box office gross in Broadway history: just over $600,000.
1978	Two are killed when a Korean Air Lines Boeing 707 makes an emergency landing in Russia after being fired on by Soviet fighters for violating Russian airspace.
1972	The Apollo 16 lunar module lands on the surface of the moon.
1971	The US Supreme Court upheld the practice of busing school students to achieve racial desegregation.
1968	Pierre Trudeau becomes prime minister of Canada.
1961	The FCC grants FM radio stations in the US permission to broadcast in stereo.
1959		Robert Stack stars in The Untouchables, premiering on the CBS-TV show Desilu Playhouse. Stack reprised his role five months later when The Untouchables became a series of its own. (photo credit: Autographs Inc.)
1940	The electron microscope is demonstrated for the media by scientists from RCA.
1939	The New York World's Fair opens.
1934	Shirley Temple's movie debut, Stand Up and Cheer, premieres in New York City.
1931	Welland Canal, connecting Lakes Erie and Ontario, opens.
1904	The Louisiana Purchase Exposition opens in St. Louis, MO.
1902	The radioactive element radium is isolated by Pierre and Marie Curie.
1836	Wisconsin becomes a US territory.
1832	Congress establishes the first US national park, Hot Springs National Park, in Arkansas.