1802 1st comic book “The Wasp” is published
1928 Sliced bread sold for the first time by the Chillicothe Baking Company, Missouri. Described as the greatest forward step in the baking industry since bread was wrapped
1981 The solar-powered aircraft, Solar Challenger, successfully completes a 163 mile flight across the English Channel
1835 Swedish-American inventor John Ericsson files for a patent for his screw propeller design
1836 US patent #1 (after 9,957 unnumbered patents), for locomotive wheels
1995 Space shuttle STS-70 (Discovery 20), launches
1821 Spain cedes Florida to US
1850 Harvard Observatory takes 1st photograph of a star (Vega)
1861 US Congress authorizes paper money
1595 Astronomer Johannes Kepler has an epiphany and develops his theory of the geometrical basis of the universe
1860 1st railroad reaches Kansas
1967 1st air conditioned NYC subway car (R-38 on the F line)
1955 USS Seawolf launched, 1st submarine powered by liquid metal cooled nuclear reactor
1959 1st nuclear powered merchant ship, NS Savannah, named, Camden NJ