The Okanogan Highlands and the rugged Kettle River Range and Selkirk Mountains cover much of the northeastern quadrant of the state.
The Palouse southeast region of Washington was grassland that has been mostly converted into farmland, and extends to the Blue Mountains.
The territory was originally to be named "Columbia", for the Columbia River and the Columbia District, but Kentucky representative Richard H.
Stanton found the name too similar to the District of Columbia (the national capital, itself containing the city of Washington) and proposed naming the new territory after President Washington.
It includes large areas of semiarid steppe and a few truly arid deserts lying in the rain shadow of the Cascades; the Hanford reservation receives an average annual precipitation of 6 to 7 inches (150 to 180 mm).
Named after George Washington, the first President of the United States, the state was made out of the western part of the Washington Territory, which was ceded by Britain in 1846 in accordance with the Oregon Treaty in the settlement of the Oregon boundary dispute.Confusion over the state of Washington and the city of Washington, D. led to renaming proposals during the statehood process for Washington in 1889, including David Dudley Field II's suggestion to name the new state "Tacoma." These proposals failed to garner support. C.'s own statehood movement in the 21st century includes a proposal to use the name "State of Washington, Douglass Commonwealth", which would conflict with the current state of Washington.Washington is the northwestern-most state of the contiguous United States.It was admitted to the Union as the 42nd state in 1889. Washington is sometimes referred to as Washington State to distinguish it from Washington, D.C., the capital of the United States, which is often shortened to Washington.