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1804
Lewis, Clark, Sacagawea explored the Northwestern United States.September of

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The Corps reached thePacific Ocean in November of 1805.

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The Corps reached thePacific Ocean in November of 1805.

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1806,
the Corps had covered about 8,000 miles—

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Traveled to the Arctic - slept in igloos.

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 By 1909, Americans Matthew Hensonand Robert Peary had already made severalexpeditions together to the Arctic.

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 By 1909, Americans Matthew Hensonand Robert Peary had already made severalexpeditions together to the Arctic.

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Matthew Henson and
Robert Peary

Matthew Hen

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Matthew Henson and
Robert Peary

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In 1975 off the coast of Greece, he located and explored the wreck of Britannic Titanic's sister ship which sank in 1916. BA

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In 1983 ride became the first American women to travel to outer space, aboard. BA