Robert Gray entered the Columbia River on May 12, 1792. He named the river after the private vessel he was using named the Columbia Rediviva. His exploration of the Oregon coast would support U.S. claims to the territory.
Robert gray
Lewis and Clark explored the Columbia River.
Oregon Country
Lewis and Clark explored the territory beyond Louisiana along the Columbia River, reaching the Pacific Ocean. They traveled through present-day Oregon and Washington, encountering Native American tribes, recording scientific observations, and mapping the land for future exploration. Their expedition helped to expand knowledge of the western United States and facilitated the growth of the nation.
The territory beyond Louisiana along the Columbia River explored by Lewis and Clark was part of the Oregon Country. They traveled through this region in 1805-1806, documenting the landscape, wildlife, and interactions with Native American tribes. Their expedition was instrumental in expanding knowledge of the American West.
Lewis and Clark explored the Columbia River.
The Columbia River was first discovered around 1775 by Spanish explorers. The river was named by Robert Gray, an American captain who explored the river. His ship's name was Columbia, and the river was named after it.
Columbia river
The Columbia River separates Washington State and Oregon.
Columbia River
Washington and Oregon border the Columbia River.
Columbia River is north of Oregon. - Lea
The Columbia River.