Colorado was named after a river.
 In 1861, the United States Congress defined the boundaries of the new Territory of Colorado exclusively by lines of latitude and longitude, stretching from 37N to 41N latitude, and from 1020248W to 1090248W longitude (25W to 32W from the Washington Meridian)
 Colorado suffered greatly through the Great Depression and the Dust Bowl of the 1930s, but a major wave of immigration following World War II boosted Colorado's fortune

