1959 1st ballistic missile sub launched, George Washington
1934 1st Donald Duck cartoon, Wise Little Hen, released
1934 Donald Duck made his 1st screen appearance ("The Wise Little Hen")
1931 1st rocket-powered aircraft design patented, Robert Goddard
1931 1st showing of a Donald Duck cartoon
1902 1st Automat restaurant opens, 818 Chestnut St, Philadelphia
1883 1st commercial electric railway line begins operation in Chicago
1822 Charles Graham patents false teeth
1790 1st book copyrighted under constitution, "Philadelphia Spelling Book"
1772 1st Protestant church west of Penn (in Ohio) holds communion
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