1513 – Spanish explorer Juan Ponce de Leon landed in Florida. He had sighted the land the day before.

1776 – George Washington received an honorary Doctor of Laws degree from Harvard College .

1829 – James Carrington patented the coffee mill.

1860 – The first Pony Express riders left St. Joseph, MO and Sacramento, CA. The trip across country took about 10 days. The Pony Express only lasted about a year and a half.

1865 – Union forces occupy Confederate capital of Richmond, Virginia.

1866 – Rudolph Eickemeyer and G. Osterheld patented a blocking and shaping machine for hats.

1882 – The American outlaw Jesse James was shot in the back and killed by Robert Ford for a $5,000 reward. There was later controversy over whether it was actually Jesse James that had been killed.

1910 – Alaska’s Mt. McKinley, the highest mountain in North America was climbed.

1933 – First Lady Eleanor Roosevelt informed newspaper reporters that beer would be served at the White House. This followed the March 22 legislation that legalized “3.2” beer.

1936 – Richard Bruno Hauptmann was executed for the kidnapping and death of the son of Charles and Anne Lindbergh.

1942 – The Japanese began their all-out assault on the U.S. and Filipino troops at Bataan.

1946 – Lt. General Masaharu Homma, the Japanese commander responsible for the Bataan Death March, was executed in the Philippines.

1948 – U.S. President Harry Truman signed the Marshall Plan to revive war-torn Europe. It was $5 billion in aid for 16 countries.

1949 – Dean Martin and Jerry Lewis debuted on radio on the “Martin and Lewis Show”. The NBC program ran until 1952.

1953 – “TV Guide” was published for the first time.

1967 – The U.S. State Department said that Hanoi might be brainwashing American prisoners.

1968 – Martin Luther King Jr. delivered his “mountaintop” speech just 24 hours before he was assassinated.

1968 – North Vietnam agreed to meet with U.S. representatives to set up preliminary peace talks.

1972 – Charlie Chaplin returned to the U.S. after a twenty-year absence.

1979 – Jane Byrne became the first female mayor in Chicago.

1982 – John Chancellor stepped down as anchor of the “The NBC Nightly News.” Roger Mudd and Tom Brokaw became the co-anchors of the show.

1983 – It was reported that Vietnamese occupation forces had overrun a key insurgent base in western Cambodia.

1984 – Sikh terrorists killed a member of the Indian Parliament in his home.

1984 – Col. Lansana Konte became the new president of Guinea when the armed forces seized power after the death of Sekou Toure.

1985 – The U.S. charged that Israel violated the Geneva Convention by deporting Shiite prisoners.

1986 – The U.S. national debt hit $2 trillion.

1987 – Riots disrupted mass during the Pope’s visit to Santiago, Chili.

1993 – The Norman Rockwell Museum opened in Stockbridge, MA.

1996 – An Air Force jetliner carrying Commerce Secretary Ron Brown crashed in Croatia, killing all 35 people aboard.

1996 – Unabomber suspect Theodore Kaczynski was arrested. He pled guilty in January 1998 to five Unabomber attacks in exchange for a life sentence without chance for parole.

1998 – The Dow Jones industrial average climbed above 9,000 for the first time.

2000 – A U.S. federal judge ruled that Microsoft had violated U.S. antitrust laws by keeping “an oppressive thumb” on its competitors. Microsoft said that they would appeal the ruling.

2000 – The Nasdaq set a one-day record when it lost 349.15 points to close at 4,233.68.

2010 – The first Apple iPad was released.

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