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1792 Oranges introduced to Hawaii
1902 American Automobile Association (AAA) founded in Chicago
1924 “Happy Birthday To You” published by Claydon Sunny
1979 US Voyager I photo reveals Jupiter’s rings
1855 1st train crosses 1st US railway suspension bridge, Niagara Falls
1979 1st extraterrestrial volcano discovered on Jupiter’s satellite Io
1781 William Herschel sees what he thinks is a “comet” but is actually the discovery of the planet Uranus
1877 American Chester Greenwood patents earmuffs after inventing them at age 15
1884 US adopts Standard Time
1930 Clyde Tombaugh announces discovery of Pluto at Lowell Observatory
1883 Jan Matzeliger invents first machine to manufacture entire shoes
1915 Pluto photographed for 1st time (although unknown at the time)
1949 1st museum devoted exclusively to atomic energy, Oak Ridge, Tennessee
1841 A method for alkali starch extraction is patented in the US by Orlando Jones, which is later applied to corn (cornstarch)
1903 Niagera Falls runs out of water because of a drought
1946 1st US rocket to leave the Earth’s atmosphere (50 miles up)
1960 1st patent for lasers granted to Arthur Schawlow & Charles Townes