1. In 1982, President Ronald Reagan signed a bill establishing Martin Luther King Jr. Day as a federal holiday to be observed on the third Monday of January each year. The first MLK Day was observed on January 20, 1986.

2. In 2000, on November 13, Bill Gates officially stepped down as CEO of Microsoft, handing the reins over to Steve Ballmer. Gates remained chairman of the board and chief software architect until 2008, when he retired from Microsoft to focus on his philanthropic work with the Bill and Melinda Gates Foundation.

3. On November 13, 1914, the U.S. Army established Camp Murray in Washington State. The camp was named in honor of Brigadier General Arthur Murray, who had died earlier that year. The site was used for military training during World War I and was later used by the Washington National Guard.

4. On November 13, 1956, a major earthquake struck the Puget Sound region of Washington State, causing extensive damage and disrupting transportation and communication systems. The quake had a magnitude of 7.5 and was felt as far away as Oregon and British Columbia.

5. On November 13, 2018, Washington voters approved Initiative 1639, which tightened gun control regulations in the state. The measure included provisions such as raising the minimum age for purchasing semi-automatic rifles to 21 and requiring enhanced background checks and safety training for gun buyers. The initiative was opposed by some gun rights activists and faced legal challenges, but ultimately went into effect in July 2019.