What did captain Vancouver do?

Captain George Vancouver was a British explorer and navigator known for his detailed mapping of the North Pacific coastline, particularly the areas of present-day British Columbia, Canada, and the Pacific Northwest of the United States, during the late 18th century. His most significant expedition took place from 1791 to 1795, where he conducted extensive surveys and established British claims in the region. Vancouver's work contributed to the understanding of the geography and resources of the area, and his charts were used by subsequent explorers and settlers.