1. In 1933, the Washington State Liquor Control Board was created. This agency was responsible for regulating alcohol sales and consumption in the state of Washington.

2. On May 13, 1966, the Space Needle in Seattle was officially opened to the public. This iconic landmark quickly became a symbol of the city and a popular tourist destination.

3. In 1977, the Seattle Mariners played their first game in the Kingdome, a massive indoor stadium that would serve as their home for over two decades. The team would go on to make history in 2001, winning an unprecedented 116 games in a single season.

4. On May 13, 1998, Microsoft co-founder Paul Allen unveiled the Museum of Pop Culture (MoPOP) in Seattle. This museum, also known as the EMP Museum, is dedicated to exploring popular culture through exhibits on music, film, video games, and more.

5. The Washington State Capitol Building in Olympia was completed on May 13, 1928. This impressive building boasts a unique dome made of copper and includes murals and other artwork throughout its interior. Today, it serves as the center of government for the state of Washington.