1789 – George Washington heads for 1st presidential inauguration.
1861 – US President Abraham Lincoln outlaws business with confederate states (US Civil War)
1881 – In Dodge City, Kansas, Bat Masterson fights his last gun battle.
1900 – US Post Office issues 1st book of postage stamps.
1922 – Annie Oakley sets women’s record by breaking 100 clay targets in a row.
1935 – 1st radio broadcast of “Fibber McGee & Molly”
1945 – US troops land on He Shima, Okinawa.
1947 – Massive explosion & fire kills 522 in Texas City, Tx.
1956 – 1st solar powered radios go on sale.
1961 – 15th Tony Awards: Becket & Bye Bye Birdie win.
1965 – Test flight of heavy Saturn S-1C-rocket.
1972 – Two giant pandas arrive in US from China.
1972 – Apollo 16 launched; 5th manned lunar landing (Decartes Highlands)
1983 – Steve Garvey sets NL record by playing in 1,118 consecutive baseball games.
1987 – FCC imposes a broader definition of indecency over airwaves.
1990 – Supreme court rejects appeal from retarded man, Dalton Prejean, condemned to death for murdering a Louisiana state trooper in 1977.
1993 – Jury reaches guilty verdict in Federal case against police officers who beat Rodney King, but the verdict is not read until April 17th.
2007 – Virginia Tech massacre: The deadliest mass shooting in modern American history. The gunman, Seung-Hui Cho, kills 32 people and injures 23 others before committing suicide.
2008 – Start of Papal Journey of Pope Benedict XVI to the United States.
2015 – Elizabeth Holmes, American entrepreneur, inventor, and founder and CEO of Theranos, is named one of TIME’s “100 Most Influential People” of 2015.