North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico

mostly temperate, but tropical in Hawaii and Florida, arctic in Alaska, semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in January and February by warm chinook winds from the eastern slopes of the Rocky Mountains

vast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii

British pounds per US dollar - 0.5500 (2005), 0.5462 (2004), 0.6125 (2003), 0.6672 (2002), 0.6947 (2001); Canadian dollars per US dollar - 1.2118 (2005), 1.3010 (2004), 1.4011 (2003), 1.5693 (2002), 1.5488 (2001); Japanese yen per US dollar - 110.22 (2005), 108.19 (2004), 115.93 (2003), 125.39 (2002), 121.53 (2001); euros per US dollar - 0.8041 (2005), 0.8054 (2004), 0.8866 (2003), 1.0626 (2002), 1.1175 (2001); Chinese yuan per US dollar - 8.1943 (2005), 8.2768 (2004), 8.2770 (2003), 8.2770 (2002), 8.2271 (2001)

Protestant 52%, Roman Catholic 24%, Mormon 2%, Jewish 1%, Muslim 1%, other 10%, none 10% (2002 est.)

4 July 1776 (from Great Britain)