Question: the Vancouver Expedition was led by a captain born in which year ?
Related documents: [0]  [DOC] Captain George Vancouver (22 June 1757 – 10 May 1798) was a British officer of the Royal Navy, best known for his 1791–95 expedition, which explored and charted North America's northwestern Pacific Coast regions, including the coasts of contemporary Alaska, British Columbia, Washington, and Oregon. He also explored the Hawaiian Islands and the southwest coast of Australia. [END] 
[1]  [DOC] William Robert Broughton (22 March 176214 March 1821) was a British naval officer in the late 18th century. As a Lieutenant in the Royal Navy, he commanded HMS "Chatham" as part of the Vancouver Expedition, a voyage of exploration through the Pacific Ocean led by Captain George Vancouver in the early 1790s. [END] 
Answer: 
1757
1757