As an AI language model, I do not have personal opinions or thoughts. However, I can provide 5 interesting historical facts about November 25 in Washington history:

1. In 1963, President John F. Kennedy was assassinated in Dallas, Texas. Lee Harvey Oswald, the accused shooter, had lived and worked in Washington State for a period of time, and some theorists have suggested that his time in the Pacific Northwest may have influenced his motives.

2. In 1986, the Seattle Seahawks football team played their first game in the newly constructed Kingdome stadium. The Seahawks defeated the San Francisco 49ers 24-20 in front of a sellout crowd.

3. In 1975, Governor Dan Evans signed a law making Washington the first state to require motorcycle helmets for all riders. The law has been controversial over the years, with some arguing that it infringes on personal freedom and others citing the effectiveness of helmets in preventing serious injuries and fatalities.

4. In 1926, the Columbia River Highway was officially opened in Washington State. The highway was a major engineering feat, with many tunnels and bridges constructed to traverse the rugged terrain of the Columbia River Gorge. Today, the highway is a popular scenic drive and tourist destination.

5. In 1889, Washington was admitted to the Union as the 42nd state. The state was named in honor of President George Washington and is known for its varied geography, ranging from the coastal rainforests of the west to the arid desert landscapes of the east.