20th Century By clairefoltz Mar 14, 1900 The Gold Standard Act is ratified Nov 6, 1900 President William McKinley wins his second term as president Jan 10, 1901 The first major oil discovery in Texas occurs Jan 28, 1901 The MLB declares itself a Major League Mar 2, 1901 The Platt amendment is passed ®¥∆µhntbf vczx Sep 6, 1901 President William McKinley is shot in New York Apr 2, 1902 The first movie theatre in the United States opens in Los Angeles May 20, 1902 Cuba gains independence from the United States Aug 1, 1903 The first cross-country automobile trip in the United States is completed Nov 8, 1904 Teddy Roosevelt wins his first election for president May 15, 1905 The city of Las Vegas, Nevada is formed Jun 30, 1906 The Pure Food and Drug Act is passed Nov 16, 1907 Oklahoma becomes a state Jan 1, 1908 The tradition of dropping a ball in New Yorks Time Square to signal the beginning of a new year is inagaugerated Jan 28, 1909 The beginning of the Spanish-American War Feb 8, 1910 The Boy Scouts of America is founded