1) On April 2, 1889, the town of North Yakima was officially incorporated, becoming the future city of Yakima, WA. This city would later become known for its agriculture and outdoor recreational activities.

2) In 1977, the Washington State Capitol Building was added to the National Register of Historic Places. It was constructed over a period of six years from 1911-1917, and is the centerpiece of the state government's operations.

3) The Redmond Historical Society was founded on April 2, 1979, with the aim of preserving and sharing the history of Redmond, WA. The society maintains several historic buildings, including the Redmond Schoolhouse Community Center.

4) April 2, 1990, saw the opening of the Tacoma Dome, a large arena and concert venue in Tacoma, WA. It has hosted numerous events over the years, including concerts, sporting events, and political rallies.

5) On April 2, 2015, Washington Governor Jay Inslee signed a bill legalizing the sale and use of recreational marijuana in the state. This made Washington one of the first states in the US to legalize recreational cannabis.