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The Vancouver Expedition (1791–1795) was a four-and-a-half-year voyage of exploration and diplomacy, commanded by Captain George Vancouver. The expedition circumnavigated the globe, touched five continents and changed the course of history for the indigenous nations and several European empires and their colonization of the Americas. The expedition at various times included between two and four vessels, and up to 153 men, all but six of whom returned home safely. ==Origin== Several previous voyages of exploration including those of Ferdinand Magellan and James Cook, and the Spanish Manila-Acapulco galleons trade route active since 1565, had established the strategic and commercial value of exploring and claiming the Pacific Ocean access, both for its wealth in whales and furs and as a trade route to 'the Orient' - Asia. Britain was especially interested in improving its knowledge of the Southern Pacific whale fisheries, and in particular the location of the strategically positioned Australia, New Zealand, the legendary ''Isla Grande'', and the Northwest Passage. A new ship was purchased, fitted out, and named ''Discovery'' after one of Cook's ships. Her captain was Henry Roberts and Vancouver his 1st Lieutenant. Plans changed when the adventurer John Meares reported that the Spanish had impounded his ship and hundreds of thousands of pounds' worth of goods at Nootka Sound. Although it is now known that his claims of loss were somewhat exaggerated, Britain had recently beaten Spain at war and seemed ready for another go; Parliament readied the fleet in the Nootka Crisis. Roberts and Vancouver left ''Discovery'' to serve in the Channel Fleet while ''Discovery'' became a depot ship for processing victims of the press gang. The Spanish capitulated in the Nootka Sound Convention, whose terms resulted in inconsistent instructions for the British and Spanish officers sent to implement them. Vancouver returned to ''Discovery'' as the expedition's commander. According to his orders, he was "to receive back in form a restitution of the territories on which the Spaniards had seized, and also to make an accurate survey of the coast, from the 30th degree of north latitude northwestward toward Cook's River; and further, to obtain every possible information that could be collected respecting the natural and political state of that country." These explorations were in part to discover water communication into the North American interior (whether a Northwest Passage or, more likely, navigable rivers) and to facilitate the researches of the expedition's politically well-connected botanist, Archibald Menzies. Following the mutiny on the ''Bounty'', the Admiralty had ordered the precaution that ships not make such long voyages alone; therefore the armed tender HMS ''Chatham'' was assigned to the expedition. HMS ''Daedalus'' would rendezvous at Nootka Sound a year later with supplies. The expedition was supposed to take two or three years. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Vancouver Expedition」の詳細全文を読む スポンサード リンク
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