v. 1. Before independence, to 1775
v. 2. A new nation emerges, 1776-1828
v. 3. Growth and conflicts, 1829-1862
v. 4. Civil War and its aftermath, 1863-1890
v. 5. Rise to world power, 1891-1917
v. 6. World War I and the Depression, 1918-1941
v. 7. World War II and the Cold War, 1942-1958
v. 8. Superpower, 1959-1982
v. 9. America today, 1983-