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In Focus
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Washington State
Washington State History

Some key dates in the history of Washington leading up to statehood are listed below. For more information, I encourage you to visit www.historylink.org. Much of the information listed here came from their site.

1805
arrow Lewis and Clark Expedition enters the present state of Washington on October 10.
arrow Lewis and Clark Expedition reaches the Columbia River on October 16.
arrow Members of Lewis and Clark expedition vote in the first recorded election in the Pacific Northwest on November 24.

1818-19
arrow Great Britain and the United States sign the Treaty of Joint Occupation of Oregon on October 20, 1818.
arrow Spain cedes its original Pacific Northwest claims to the United States in the Transcontinental Treaty of 1819.
arrow Members of Lewis and Clark expedition vote in the first recorded election in the Pacific Northwest on November 24.

1836
arrow Beaver, Puget Sound’s first steamship, sails from Fort Vancouver on June 18.

1845-46
arrow Provisional government of Oregon Territory creates Clark County, covering all of present-day Washington, on August 20, 1845.
arrow Britain cedes claims to the Pacific Northwest by signing the Treaty of Oregon on June 15, 1846.

1849
arrow U. S. Army’s Fort Steilacoom established.
arrow U.S. troops establish Columbia Barracks at Fort Vancouver.

1850
arrow Isaac Ebey is first permanent settler on Whidbey Island.
arrow Donation Land Claim Act takes effect on September 11.
arrow Hudson’s Bay Co. establishes a fishing station on San Juan Island.

1851
arrow Denny party lands at Alki Point (near site of Seattle) on November 13, 1851.


1852
arrow Washington’s first newspaper, the Columbian, begins publication at Olympia on September 11.

1853
arrow Oregon Legislature creates Island County on January 6.
arrow U.S. President Millard Fillmore establishes Washington Territory on March 2.

1854-55
arrow Eight counties, including Whatcom County, are incorporated in 1854.
arrow Several treaties are signed with American Indian nations.
arrow Medicine Creek Treaty signed on December 26, 1854.
arrow Point Elliott Treaty signed on January 22, 1855.
arrow Treaty of Point No Point signed on January 26, 1855.
arrow Treaty of Neah Bay signed on January 31, 1855.

1859
arrow Olympia, third territorial town and future capital, incorporated.
arrow Frost and Fowler establish a store at Mukilteo, the first Snohomish County settlement.

1861-1870
arrow Washington Territorial Legislature creates Snohomish County (out of Island County) on January 14, 1861.
arrow President Abraham Lincoln signs law separating new Idaho Territory from Washington on March 4, 1863.
arrow Western Union transcontinental telegraph line reaches Seattle on October 25, 1864.
arrow Road completed over Snoqualmie Pass by October 7, 1867.
arrow Town of Seattle is formed in 1865, but legislature voids its charter two years later. The City of Seattle is incorporated on December 2, 1869.
arrow Jasper Gates settles Mount Vernon (now in Skagit County) 1870.

1861-1870
arrow Washington Territorial Legislature creates San Juan County (out of Whatcom County) on October 31, 1873.
arrow David Batey and Joseph Hart arrive in Sedro (now in Skagit County) 1878.
arrow Seattle’s first telephone line is installed in 1878.
arrow Rutherford B. Hayes visits Puget Sound cities in October 1880 during the first trip west of the Rockies by a U.S. President.

1881-1890
arrow Women win, lose, regain, and again lose right to vote in Territorial elections between 1883 and 1888.
arrow Northern Pacific Railroad’s mainline between Washington and Minnesota is completed at Gold Creek, Montana, on September 8, 1883.
arrow Washington Territorial Legislature creates Skagit County (out of Whatcom County) on November 28, 1883.
arrow John McMillan establishes Roche Harbor (San Juan County) Limestone in 1886.
arrow Great fire burns Seattle on June 6, 1889.
arrow Washington becomes a state, November 11, 1889.