Today in History - 18 July

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)