Washington, DC

(note: Washington, DC is not a state)

Capital: It is the capital: of the United States.

Population:572,059

Entered the Union:February 21, 1871 (as a municipal corporation)

Motto: Justitia omnibus (Justice to all)

Origin of Name: The district is named after Christopher Columbus

Major Industries:Federal government, tourism (these two are virtually the entire economic base of the city)

Historical Sites and Points of Interest: Numerous sites associated with the history of the United States, including the Washington, Jefferson and Lincoln Memorials; the Smithsonian Institution (including the National Gallery of Art and the National Air and Space Museum; and the National Archives