1997 U.K. returns Hong Kong to China
1993 1 second is added to the clock
1967 1st British color TV broadcast, on BBC 2
1967 BBC starts their World Radio Club
1960 Ghana becomes a republic
1957 International Geophysical Year begins, ends December 31, 1958
1941 1st coml TV licenses granted-W2XBS-WNBT (NBC) and WCBW (CBS), New York City
1934 1st x-ray photo of entire body, Rochester, New York
1929 U.S. Immigration law of 1924 in effect
1923 1st permanent radio network-AT&T (WEAF New York and WMAF Mass)
1907 World's 1st air force established in the U.S. Army
1903 1st Tour de France bicycle race begins
1881 1st international telephone conversation, Calais, ME-St. Stephen, NB
1877 1st edition of "Amsterdammer" published
1875 Universal Postal Union established
1874 1st Chamber accept law against child labor
1874 1st U.S. kidnapping for ransom, 4-year-old Charles Ross, $20,000
1874 1st U.S. zoo opens in Philadelphia
1847 1st U.S. postage stamps go on sale, 5 cents Franklin and 10 cents Washington,
New York City
1820 1st edition of newspaper "Courrier de la Meuse" published"
1200 In China, sunglasses are invented
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