page_title: Robert Gray's Columbia River expedition
hierarchical_section_title: Robert Gray's Columbia River expedition
caption_attribution_description: English: Portrait of Robert Gray.
context_page_description: In May 1792, American merchant sea captain Robert Gray sailed into the Columbia River, becoming the first recorded European to navigate into it. The voyage, conducted on Columbia Rediviva, a privately-owned ship, was eventually used as a basis for the United States' claim on the Pacific Northwest, although its relevance to the claim was disputed by the British. As a result of the outcome the river was afterwards named after the ship. Gray spent nine days on the river trading fur pelts before sailing out of the river.
context_section_description: In May 1792, American merchant sea captain Robert Gray sailed into the Columbia River, becoming the first recorded European to navigate into it. The voyage, conducted on Columbia Rediviva,  a privately-owned ship, was eventually used as a basis for the United States' claim on the Pacific Northwest, although its relevance to the claim was disputed by the British.  As a result of the outcome the river was afterwards named after the ship. Gray spent nine days on the river trading fur pelts before sailing out of the river.
caption: Captain Robert Gray
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