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LEWIS, MERIWETHER (1774-1809)

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Originally appearing in Volume V16, Page 524 of the 1911 Encyclopedia Britannica.
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LEWIS, MERIWETHER (1774-1809) , See also:American explorer, was See also:born near See also:Charlottesville, See also:Virginia, on the 18th of See also:August 1774. In 1794 he volunteered with the Virginia troops called out to suppress the " See also:Whisky Insurrection," was commissioned as See also:ensign in the See also:regular See also:United States See also:army in 1795, served with distinction under See also:General See also:Anthony See also:Wayne in the See also:campaigns against the See also:Indians, and attained the See also:rank of See also:captain in 1797. From 18o1 to 1803 he was the private secretary of See also:President See also:Jefferson. On the 18th of See also:January 1803 Jefferson sent aconfidential See also:message to See also:Congress urging the development of See also:trade with the Indians of the See also:Missouri Valley and recommending that an exploring party be sent into this region, notwithstanding the fact that it was then held by See also:Spain and owned by See also:France. Congress appropriated funds for the expedition, and the president instructed Lewis to proceed to the See also:head-See also:waters of the Missouri See also:river and thence across the mountains to the Pacific Ocean. With Jefferson's consent Lewis See also:chose .as a See also:companion Lieut. See also:William See also:Clark, an old friend and army comrade. The preparations were made under the orders of the See also:War See also:Department, and, until the See also:news arrived that France had sold See also:Louisiana to the United States, they were conducted in secrecy. Lewis spent some See also:time in See also:Philadelphia, gaining additional knowledge of the natural sciences and learning the use of See also:instruments for deter-See also:mining positions; and See also:late in 1803 he and Clark, with twenty-nine men from the army, went into See also:winter quarters near St See also:Louis, where the men were subjected to rigid training. On the 14th of May 1804 the party, with sixteen additional members, who, however, were to go only a See also:part of the way, started up the Missouri river in three boats, and by the 2nd of See also:November had made the difficult ascent of the stream as far as 470 21' N. See also:lat., near the site of the See also:present See also:Bismarck, See also:North Dakota, where, among the See also:Mandan Indians, they passed the second winter. See also:Early in See also:April r8os the ascent of the Missouri was continued as far as the three forks of the river, which were named the Jefferson, the See also:Gallatin and the See also:Madison. The Jefferson was then followed to its source in the See also:south-western part of what is now the See also:state of See also:Montana.

Procuring a See also:

guide and horses from the Shoshone Indians, the party pushed westward through the Rocky Mountains in See also:September, and on the 7th of See also:October embarked in canoes on a tributary of the See also:Columbia river, the mouth of which they reached on the 15th of November. They had travelled upwards of 4000 M. from their starting-point, had encountered various See also:Indian tribes never before seen by whites, had made valuable scientific collections and observations, and were the first explorers to reach the Pacific by See also:crossing the See also:continent north of See also:Mexico. After spending the winter on the Pacific See also:coast they started on the 23rd of See also:March 18o6 on their return See also:journey, and, after crossing the See also:divide, Lewis with one party explored Maria's river, and Clark with another the Yellowstone. On the 12th of August the two explorers reunited near the junction of the Yellowstone and the Missouri, and on the 23rd of September reached St Louis. In spite of exposure, hardship and peril only one member of the party died, and only one deserted. No later feat of exploration, perhaps, in any See also:quarter of the globe has exceeded this in romantic See also:interest. The expedition was commemorated by the Lewis and Clark Centennial Exposition at See also:Portland, See also:Oregon, in 1905. The leaders and men of the exploring party were rewarded with liberal grants of See also:land from the public domain, Lewis receiving 1500 acres; and in March 1807 Lewis was made See also:governor of the See also:northern part of the territory obtained from France in 1803, which had been organized as the Louisiana Territory. He performed the duties of this See also:office with See also:great efficiency, but it is said that in the unwonted quiet of his new duties, his mind, always subject to See also:melancholy, became unbalanced, and that while on his way to See also:Washington he committed See also:suicide about 6o m. south-See also:west of See also:Nashville, See also:Tennessee, on the rlth of October 1809. It is not definitely known, however, whether he actually committed suicide or was murdered.

End of Article: LEWIS, MERIWETHER (1774-1809)

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