Today's Highlight in History:
One year ago, on April 20th, 1999, students Eric Harris and Dylan Klebold shot and killed 12 classmates and one teacher before taking their own lives at Columbine High School in Littleton, Colorado.
On this date:
In 1836, the Territory of Wisconsin was established by Congress.

In 1889, Adolf Hitler was born in Braunau, Austria.

In 1902, scientists Marie and Pierre Curie isolated¹ the radioactive element radium.

In 1940, RCA publicly demonstrated its new and powerful electron microscope.

In 1945, during World War Two, allied² forces took control of the German cities of Nuremberg and Stuttgart.

In 1968, Pierre Elliott Trudeau was sworn in as prime minister of Canada.

In 1971, the Supreme³ Court upheld the use of busing to achieve racial desegregation in schools.

In 1972, the manned lunar module⁴ from "Apollo 16" landed on the moon.

In 1978, a Korean Air Lines Boeing 707 crash-landed in northwestern Russia after being fired on by a Soviet⁵ interceptor after entering Soviet airspace. Two passengers were killed.

In 1980, the first Cubans sailing to the United States as part of the massive Mariel boatlift reached Florida.

Ten years ago: Former junk bond financier Michael Milken agreed to plead guilty to six felonies and pay $600 million in penalties to settle the largest securities fraud case in history.

Five years ago: In the aftermath of the Oklahoma City bombing, the FBI announced it was looking for two men suspected of renting the truck used to carry the explosive; meanwhile, rescue teams suspended the search for survivors⁶ so that the remaining structure of the Alfred P. Murrah Building could be shored up.