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.
California Pacific Railroad was severe flooding in the Sutter Bypass causing damage to the line between Knight's Landing and Yuba City. That portion of the line was abandoned and track removal commenced on May 14, 1877. The line from Davis to Woodland was later operated by the Southern Pacific and currently by the California Northern Railroad. California Pacific Railroad The California Pacific Railroad Company was incorporated in 1865 at San Francisco, California as the California Pacific "Rail Road" Company. It was renamed the California Pacific Railroad "Extension" Company in the spring of 1869, then renamed the California Pacific Railroad later that same year.