The 20th century in the United States refers to the period in the United States from 1901 through 2000 in the Gregorian calendar. For information on this period, see:
- Category:20th century in the United States
- History of the United States series:
- History of the United States (1865–1918)
- History of the United States (1918–1945)
- History of the United States (1945–1964)
- History of the United States (1964–1980)
- History of the United States (1980–1991)
- History of the United States (1991–present)
- Timeline of the United States
Famous quotes containing the words united states, united and/or states:
“The United States is not a nation to which peace is a necessity.”
—Grover Cleveland (1837–1908)
“I am a freeman, an American, a United States Senator, and a Democrat, in that order.”
—Lyndon Baines Johnson (1908–1973)
“On 16 September 1985, when the Commerce Department announced that the United States had become a debtor nation, the American Empire died.”
—Gore Vidal (b. 1925)