1805 – Lewis and Clark Expedition leaves Fort Maden beginning their journey to the Pacific Ocean.
1902 – Texas Oil Company (Texaco) forms.
1922 – Warren G. Harding’s Interior Secretary, Albert B. Fall, leases the Teapot Dome oil reserve to Harry Sinclair, setting in motion the Teapot Dome scandals.
1926 – Forest fire burns 900 acres & kills 2 (San Luis Obispo, California)
1927 – Using phone lines, TV is sent from Washington, D.C. to NYC.
1940 – 7th US Masters Tournament, Augusta National GC: Jimmy Demaret wins the first of his 3 Masters titles, 4 strokes ahead of runner up Lloyd Mangrum.
1940 – US Post Office issues first postage stamp of African American educator Booker T. Washington.
1943 – NFL adopts free substitution rule.
1954 – US President Dwight D. Eisenhower in news conference is first to voice fear of a “domino-effect” of communism in Indo-China.
1957 – Last of NY’s electric trolleys completes its final run.
1963 – Public stock offering of 115,000 shares in Braves withdrawn after only 13,000 shares are sold to 1,600 investors.
1964 – IBM announces the System/360.
1969 – Supreme Court strikes down laws prohibiting private possessions of obscene material.
1977 – Consumer Product Safety Commission bans, “TRIS” flame-retardant.
1980 – US President Jimmy Carter breaks relations with Iran during hostage crisis.
1985 – 1st live telecast of Easter Parade in New York.
1990 – Farm Aid IV concert.
1999 – The World Trade Organization rules in favor of the United Stares in its long running trade dispute with the European Union over bananas.
2003 – U.S. troops capture Baghdad; Saddam Hussein’s regime falls two days later.
2017 – US President Donald Trump orders missile strike on Syrian airfield after chemical weapons attack on Khan Sheikhoun.