1980 Rohini 1, 1st Indian satellite, launches into orbit
1974 World's tallest structure, 646-m Polish radio mast, completed
1968 Intel incorporates
1955 1st electric power generated from atomic energy sold commercially
1940 1st successful helicopter flight, Stratford, Connecticut
1931 1st air-conditioned ship (Mariposa) launched
1914 U.S. Army air service 1st comes into being, in Signal Corps
1766 Society of the Dutch Literary forms
1743 1st half-page newspaper ad is published (New York Weekly Journal)
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