1. On November 23, 1889, Washington was admitted to the Union as the 42nd state. This date is celebrated every year as Washington's Statehood Day.

2. The Boeing 747 jumbo jet made its first flight on November 23, 1968, at Paine Field in Everett, Washington. Boeing, headquartered in Seattle, has been a major employer and contributor to the state's economy for decades.

3. In 1984, Microsoft Corporation released the first version of its popular spreadsheet program, Microsoft Excel. The program, which is included in the Microsoft Office suite, has become a standard tool for business and financial analysis.

4. The Seattle Seahawks football team played their first game at the Kingdome on November 23, 1976. The team has since moved to CenturyLink Field but maintains a strong fan base in the state.

5. On November 23, 1971, the state's highest mountain, Mount Rainier, was designated a National Natural Landmark by the National Park Service. The mountain is known for its beauty, recreational opportunities, and ecological significance.