PNW Exploration

American purchase of French land between the Mississippi river and the Rocky Mountains that doubled the size of the United States

• Louisiana Purchase

• Louisiana Sale

• Northwest Passage

• Treaty of Tordesillas

Expedition ordered by President Thomas Jefferson began in 1804 to explore the Louisiana Purchase and land west of the Mississippi River up to the Pacific Ocean

• Lewis and Clark Expedition

• James Cook's Expedition

• George Vancouver's Expedition

• John Meares' Expedition

Line drawn by Pope Alexander VI in 1493 that divided North and South America into Spanish and Portuguese territories

• Line of Demarcation

• Line of Separation

• Line of Exploration

• Line of Colonization

A water route from the Atlantic to the Pacific through northern Canada and along the northern coast of Alaska. Sought by navigators since the 16th century.

• Northwest Passage

• Northeast Passage

• Northwest Route

• Southwest Passage

British Captain who explored Washington and Oregon's coastline in 1778. Also explored Hawaii and Australia.

• James Cook

• John Meares

• George Vancouver

• Robert Gray

British man who explored the Pacific Northwest in 1786 and tried to make money selling furs from the area.

• John Meares

• James Cook

• George Vancouver

• Robert Gray

Mapped and explored the Puget Sound Region in 1792. Named many landmarks in the area after himself and friends

• George Vancouver

• William Clark

• Merriwether Lewis

• James Cook

American explorer who discovered the Columbia River and helped strengthen America's claims to the Pacific Northwest against Great Britain

• Robert Gray

• John Meares

• James Cook

• Nez Perce

Plateau Tribe in Western Washington and Northern Idaho who welcomed American and European explorers and trading opportunities

• Nez Perce

• Duwamish

• Wenatchee

• Spokane

Washington Tribe that lived along the Columbia River and traded with American and European Explorers

• Chinook

• Nez Perce

• Duwamish

• Algonquin