1. In 1957, the Seattle-Tacoma International Airport opened its doors for the first time. This airport has since become one of the busiest in the United States, serving millions of passengers every year.

2. In 1972, the Washington State Patrol hired its first female trooper, Mona A. Rianda. She was a pioneer for women in law enforcement and paved the way for many other women to follow in her footsteps.

3. On September 4, 1995, the city of Tacoma began construction on a new glass museum, which would later become the Museum of Glass. This museum is now a major tourist attraction in the region, showcasing the work of many renowned glass artists.

4. In 2006, the Seattle Mariners played their final game at the Kingdome, their home stadium since 1977. The Mariners moved to the new Safeco Field the following season, which has since been renamed T-Mobile Park.

5. In 2013, the United States Navy commissioned a new destroyer, the USS Zumwalt, named after Admiral Elmo R. Zumwalt Jr. This ship is one of the most technologically advanced warships ever built and serves as a symbol of the U.S. Navy's commitment to innovation and progress.