Samuel Colt patents his revolver, the first black U.S. senator takes his seat, Muhammad Ali wins his first heavyweight title, and Ferdinand Marcos flees the Philippines, all on this day.
17 / 40
German Federal Archive/Wikimedia Commons
1932: Adolf Hitler obtains German citizenship by naturalization, which allows him to run in the 1932 election for Reichspräsident, the president of the Reich. Hitler would end up coming in second to incumbent President Paul von Hindenburg, but his strong showing established him as a force in German politics.