12) Ogden. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A city of northern Utah north of Salt Lake City. Settled by Mormons in the 1840s, it is a railroad junction with aerospace and other varied industries. Population:...

13) Carson, Christopher. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...frontiersman who was the renowned guide of John C. Fremont's western expeditions in the 1840s, an agent for the Ute (1853-1861), and a Union general in the Civil...

14) Hillsboro. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A city of northwest Oregon west of Portland. It was settled in the 1840s. Population: 37,520....

15) 3. Culture and Popular Culture. 2001. The Encyclopedia of World History
...important cultural school to emerge from early-19th-century Europe was romanticism (1790s-1840s). Built upon earlier cultural developments, romanticism took on new...

16) Fort Worth. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...of northeast Texas west of Dallas. Built on the site of a military post established in the 1840s, it is a major industrial center and distribution point. Population:...

17) Menasha. The Columbia Encyclopedia, Sixth Edition. 2001
...E Wis., on Lake Winnebago and the Fox River, adjacent to its twin city of Neenah; settled 1840s, inc. 1874. Menasha's large paper-making industry, which is served...

18) potato famine, Irish. The New Dictionary of Cultural Literacy, Third Edition. 2002
...in Ireland in the nineteenth century caused by the failure of successive potato crops in the 1840s. Many in Ireland starved, and many emigrated. More than a million...

19) 3. Technological Developments, 1800-1914. 2001. The Encyclopedia of World History
...America. Although industrialization owed much to new inventions, the early stages (to the 1840s) were fueled more by the tinkerings of inventors and craftspeople...

20) Yukon Territory. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...It joined the Confederacy in 1898. The region was first explored by fur traders in the 1840s and was acquired by Canada from the Hudson's Bay Company in 1870. A land...