Washington Territory

The Territory of Washington was an organized incorporated territory of the United States. It was a territory from March 2, 1853, until November 11, 1889. In 1889, it became the State of Washington. It was made from Oregon Territory north of the lower Columbia River and north of the 46th parallel east of the Columbia. At its largest, it covered all of Idaho. It also covered Montana and Wyoming. In 1963 it was in its final boundaries.

• 
  The Washington Territory (green) and the Oregon Territory (blue) in 1853
• 
  The Washington Territory (green) and the State of Oregon in 1859
• 
  Portions ceded to the Nebraska and Idaho Territories in 1861 and 1863

Territory of Washington
Organized incorporated territory of the United States
Seal of the Washington Territory
Capital	Olympia
History
• Type	Organized incorporated territory
History
• Split from Oregon Territory	March 2, 1853[1]
• Idaho Territory split off	March 4, 1863
• Statehood	November 11, 1889
Preceded by Succeeded by Oregon Territory Nebraska Territory Idaho Territory Washington (state)

References

1. 10 Stat. 172