1. Washington officially became a state on March 21, 1889. After years of being a territory, Washington was granted statehood and admitted to the union as the 42nd state.

2. On March 21, 1915, the city of Yakima was incorporated. Located in central Washington, the city is known for its agriculture and is often called the "Fruit Bowl of the Nation."

3. In 1963, the Washington State Legislature passed a bill establishing the Seattle Center, home of the Space Needle, on March 21. The Seattle Center is a cultural and entertainment hub in the city that hosts many events and festivals throughout the year.

4. March 21, 1999, saw the groundbreaking ceremony for the new CenturyLink Field in Seattle. The stadium is the home of the NFL's Seattle Seahawks and MLS's Seattle Sounders, and has hosted numerous concerts and events.

5. The Washington State Ferry Walla Walla, which serviced the Puget Sound region for 45 years, was retired on March 21, 2015. The ferry was a popular mode of transportation for commuters and tourists alike, and its retirement marked the end of an era for the Washington State Ferry system.