Similarly, you may ask, who Discovered Washington State?
In 1775, Spanish explorer Captain Bruno Heceta landed on the coast of Washington and claimed the land for Spain. Soon other European explorers arrived including British Captains James Cook in 1778 and George Vancouver in 1792. Vancouver spent two years mapping out the coast of Washington.
Likewise, what was the original name of Washington state? In 1784, a Jefferson-chaired committee suggested that Congress divide the Northwest Territory into 10 states, for which Jefferson suggested names. Most of modern-day Ohio was to be called Washington state.
Then, when was Washington founded?
November 11, 1889
Who founded Washington DC?
President George Washington