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  • ?? Orville and Wilbur Wright flew first plane for 12 seconds over 120 feet in Kitty Hawk N.C. ??? ??? ??? Aviation took off when it was used for mail and other things than just war ??? ??? ??? Guglielmo Marconi Italian electrical engineer known as the father of radio (1874-1937) ??? ??? ??? KDKA did what for the first time ever? first voice carrying radio station, told of presidential candidate Wa
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