In 1820 the Missouri Compromise is signed into law, allowing Missouri to enter the Union as a slave state, but remaining Louisiana Purchase territory to the North to remain free.
Alamo Day, the anniversary of the fall of the Alamo during the Mexican American war on this day in 1836.
In 1975, the Zapruder film of the assassination of John F. Kennedy was shown in motion for the first time to a national TV audience.
In 1981, the CBS Evening News, with Walter Cronkite signs off after 19 years.
In South Dakota in 2006, Governor Mike Rounds, signs legislation banning most abortions.
Frozen Food Day
White Chocolate Cheesecake Day