1. AP US History This Day in American History October 10 1845 – The United States Naval Academy opens in Annapolis, Maryland, with 50 midshipmen students and seven professors. Known as the Naval School until 1850, the curriculum included mathematics and navigation, gunnery and steam, chemistry, English, natural philosophy, and French.

2. AP US History This Day in American History October 10 1957 – The Milwaukee Braves defeat the New York Yankees to win their first World Series since 1914. (They played in Boston then; the team moved to Wisconsin in 1953.) No one expected the Braves to beat the Bombers: After all, the New York team had already won the championship 21 times.

3. AP US History This Day in American History October 10 1973 - Less than a year before Richard M. Nixon's resignation as president of the United States, Spiro Agnew becomes the first U.S. vice president to resign in disgrace. The same day, he pleaded no contest to a charge of federal income tax evasion in exchange for the dropping of charges of political corruption.

4. AP US History This Day in American History October 10 1991 – Former U.S. postal worker Joseph Harris shoots two former co-workers to death at the post office in Ridgewood, New Jersey. The night before, Harris had killed his former supervisor, Carol Ott, with a three-foot samurai sword, and shot her fiance, Cornelius Kasten, in their home.