History of Washington (state) result, the law went into effect on June 7, 2006. The Washington legislature introduced more advanced converge of domestic partnerships in 2008. History of Washington (state) The history of Washington includes thousands of years of Native American history before Europeans and Americans arrived and began to establish territorial claims. The region was part of Oregon Territory from 1848 to 1853, after which it was separated from Oregon and established as Washington Territory. In 1889, Washington became the 42nd state of the United States. Archaeological evidence shows that the Pacific Northwest was one of the first populated areas in North America.
Washington State Route 510 Washington State Route 510 State Route 510 (SR 510) is a state highway in Thurston County, Washington. The long highway extends southeast from an interchange with (I-5) in Lacey to in Yelm. SR 510 roughly parallels the Nisqually River, the border between Thurston and Pierce counties, between the Fort Lewis and Nisqually Indian Community area to Yelm. The roadway was built by 1916 as a connector from Saint Clair Lake to the Northern Pacific Railway station in Yelm and was designated as Secondary State Highway 5I (SSH 5I) in 1937. The original route of SSH 5I ran from Tumwater east