1. In 1863, the territory of Arizona was created by the United States Congress. The territory included present-day Arizona and western New Mexico.
2. In 1914, Arizona became the 48th state in the United States, after being a territory for over 50 years.
3. In 1969, the Phoenix Suns played their first game in the National Basketball Association (NBA). They lost to the Seattle SuperSonics, but the team would go on to have a successful NBA career, making it to the NBA Finals twice.
4. In 1991, the World Series returned to Arizona for the first time when the Minnesota Twins faced off against the Atlanta Braves in Game 1 at the newly built Bank One Ballpark (now known as Chase Field).
5. In 2020, on this day, the Arizona Cardinals defeated the Seattle Seahawks in an exciting overtime win in a nationally televised NFL game. Quarterback Kyler Murray threw for 360 yards and three touchdowns, while also rushing for 67 yards and a score.