1753 – 1st steam engine arrives in north American colonies.
1776 – Congress officially renames the country as the United States of America (was the United Colonies)
1850 – Territories of New Mexico & Utah created and California is admitted as the thirty-first state of the Union.
1861 – Nurse Sally Tompkins is officially commissioned as a officer (and its only woman officer) by the confederate US Army.
1904 – Mounted police 1st used in NYC.
1908 – Orville Wright makes his 1st 1-hr airplane flight, Fort Myer, Va.
1919 – Boston’s police force strikes.
1926 – National Broadcasting Company created by Radio Corporation of America.
1934 – G Kaufman & M Hart’s “Merrily We Roll Along” premieres in NYC.
1942 – 1st bombing on continental US soil at Mount Emily, Oregon during WWII by Japanese planes.
1945 – 1st “bug” in a computer program discovered by Grace Hopper, a moth was removed with tweezers from a relay & taped into the log.
1957 – US President Eisenhower signs 1st civil rights bill since Reconstruction.
1963 – Alabama Governor George Wallace served a federal injunction to stop orders of state police to bar black students from enrolling in white schools.
1966 – The National Traffic and Motor Vehicle Safety Act is signed into law by U.S. President Lyndon B. Johnson.
1969 – Alleghany Airlines flight 853 collides with a Piper Cherokee above Indiana, kills all 83 occupants.
1971 – 1,000 convicts riot & seize Attica, NY prison.
1985 – President Reagan orders sanctions against South Africa.
1990 – George H.W. Bush and Mikhail Gorbachev meet in Helsinki & urge Iraq to leave Kuwait.
2015 – Apple unveils the iPad Pro and iPhone 65 in San Francisco.
2017 – Hurricane Irma makes landfall in the Florida Keys in the US as a category 3 hurricane.