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Welcome
to U.S. history!
 | 1844 Samuel Morse invented the telegraph, which made long-distance
communication almost instantaneous. |
| 1844 James K. Polk was
elected president on the platform of expansionism. |
| 1845 Mass migration from Europe to America began. |
| 1845 United States annexed Texas. |
| 1845 John L. O’Sullivan coined the slogan "Manifest
Destiny." |
| 1846 Elias Howe built the first practical machine for automatic sewing. |
| 1846 Norbert Rillieux improved with the vacuum evaporator the methods of
removing water from sugar cane. Such revolutionized the sugar industry and was later
applied to many other products. |
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last updated
02/19/07
CD-ROMs
by helmut s.
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