February 18, 1930: Astronomer Clyde Tombaugh discovers a ninth planet, PlutoFebruary 13, 1930: Charles Evans Hughes, who lost the 1916 U.S. presidential election to Woodrow Wilson, confirmed as new Chief Justice of the Supreme Court to replace William Howard Taft, who lost the 1912 U.S. presidential election to Woodrow WilsonFebruary 21, 1930: Camille Chautemps becomes Prime Minister of France, government collapses 10 days later