1939 First animal conceived by artificial insemination (rabbit) displayed
1947 First Aloha Week Parade held in Hawaii
1957 World longest suspension bridge opens (Mackinac Straits Mich)
1639 First post office in the colonies is set up in Massachusetts
1895 1st US patent granted for auto (George B Selden) for gasoline driven car
1492 Ensisheim Meteorite strikes a wheat field near the village of Ensisheim in Alsace, France. Oldest meteorite with a known date of impact.
1631 Pierre Gassendi observes transit of Mercury predicted by Kepler
1895 First shipment of canned pineapple from Hawaii
1907 French cyclist Paul Cornu flies 1st helicopter (twin rotor)
1946 First artificial snow produced from a natural cloud, Mt Greylock, Massachusetts
1971 Mariner 9, 1st to orbit another planet (Mars)
1904 King C. Gillette patents the Gillette razor blade
1972 Small Astronomy Satellite Explorer 48 launched to study gamma rays
1835 Charles Darwin reaches Tahiti on board HMS Beagle, the location where he would formulate his ideas later written in The Structure and Distribution of Coral Reefs
1875 William Bonwill, patents dental mallet to impact gold into cavities
1945 Two new elements discovered by Glenn Seaborg, James, Morgan and Albert Ghiorso were are announced: americium (atomic number 95) and curium (atomic number 96)
1955 1st speed-boat to exceed 200 mph (322 kph) (Donald Campbell)
1871 Moses F Gale patents a cigar lighter (NYC)
1871 The first human cannonball, Emilio Onra, is fired
1952 1st US postage stamp in 2 colors (rotary process) introduced
1900 A German engineer patents front-wheel drive for automobiles
1928 Vladimir K. Zworykin receives patent on Iconoscope TV system
1956 1st use of videotape on TV (Douglas Edwards & the News)
1974 Most complete early human skeleton (Lucy, Australopithecus) discovered by Donald Johanson, Maurice Taieb, Yves Coppens and Tim White in the Middle Awash of Ethiopia’s Afar Depression
2017 World’s longest recorded rainbow – 8 hrs 58 min in Taipei’s Yangmingshan mountain range