Time

1600-1763 Colonial America

1764-1789 Revolutionary Period

1790-1828 The New Nation

1829-1859 Western Expansion

1860-1865 Civil War

1866-1877 Reconstruction

1878-1889 Gilded Age

1890-1913 Progressive Era

1914-1928 WWI and Jazz Age

1929-1945 Depression and WWII

1946-Present Modern Era