1790 – US Congress passes Naturalization Act, requires 2-year residency.
1804 – Territory of Orleans organizes in Louisiana Purchase.
1845 – Patent awarded for adhesive medicated plaster, precursor of bandaid.
1872 – Thomas J. Martin patents fire extinguisher.
1885 – Eastman Film Co. manufacturers 1st commercial motion picture film.
1903 – American Hotel opens in Amsterdam.
1937 – Spinach growers of Crystal City, Texas, erect statue of Popeye.
1943 – Elsie S. Ott becomes 1st woman awarded US Air Force Medal.
1945 – Iwo Jima occupied, after 18,000 Japanese & 6,000 Americans killed.
1953 – Dr. Jonas Salk announces vaccine to prevent polio.
1955 – “Ballad of Davy Crockett” becomes the #1 record in US.
1962 – US Supreme Court backs 1-man-1-vote apportionment of seats in state legislature.
1973 – TV Soap “The Young & the Restless” premieres on CBS.
1979 – OPEC makes full 14.5% oil price increase for 1979 effective April 1.
1982 – Ground-breaking in Washington, DC for Vietnam Veterans Memorial.
1990 – 62nd Academy Awards – “Driving Miss Daisy”, Daniel Day-Lewis, Jessica Tandy win.
1995 – “Defending the Caveman” opens at Helen Hayes Theater NYC for 671 performances.
1999 – The “Melissa worm” infects Microsoft word processing and e-mail around the world.
1999 – A jury in Michigan finds Dr. Jack Kevorkian guilty of second-degree murder for administering a lethal injection to a terminally ill man.
2012 – Canadian filmmaker James Cameron becomes the first person to visit Challenger Deep, the deepest point on Earth in over 50 years.