1. Washington State Governor Dan Evans was born on November 20, 1925, in Seattle. He served as governor from 1965 to 1977 and is credited with modernizing the state's government and pushing for environmental protection policies.

2. In 1969, the Pacific Science Center opened in Seattle on November 20th. The center was built for the 1962 World's Fair and has since become a popular destination for science enthusiasts of all ages.

3. On November 20, 2016, the Seattle Seahawks played the Philadelphia Eagles in a NFL game which ended in a 26-15 victory for the Seahawks. The game was notable for a touchdown pass from Seahawks quarterback Russell Wilson to wide receiver Doug Baldwin where the ball traveled just 15 inches above the ground.

4. The first intercontinental airmail service landed in Seattle on November 20, 1935. The service was established by Pan American Airways and allowed mail to be transported between the United States and China in just three days.

5. In 2006, the U.S. Navy commissioned the USS Washington, a Virginia-class submarine, on November 20th. The submarine is named in honor of the state of Washington and is one of the newest and most advanced subs in the Navy's fleet.