1. Arkansas became a state: On November 21, 1836, President Andrew Jackson signed the act admitting Arkansas into the United States as the 25th state.

2. The first fatal air disaster in Arkansas occurred: On November 21, 1974, a Southwest Airlines plane crashed in Little Rock, killing 11 people.

3. The last lynching in Arkansas occurred: On November 21, 1927, a black man named John Carter was lynched in Little Rock after being accused of assaulting a white woman. This was the last recorded lynching in the state.

4. The Arkansas State Capitol building was dedicated: On November 21, 1911, the Arkansas State Capitol building was dedicated in Little Rock. It is the only state capitol in the country built entirely from local materials.

5. The first football game was played at War Memorial Stadium: On November 21, 1948, Arkansas defeated Tulsa 34-0 in the first football game played at War Memorial Stadium in Little Rock, which is still used for college and high school football games today.