Era
20th century
7
19th century
6
1564-1616
4
16th century
2
17th century
2
18th century
2
1945-1989
2
21st century
2
Early modern, 1500-1700
2
Quaternary
2
-1400
1
14th century
1
1783-1815
1
1812-1870
1
1815-1861
1
1815-1882
1
1819-1880
1
1840-1928
1
1857-1924
1
1863-1877
1
1865-1921
1
1877-1964
1
1879-1955
1
1919-1933
1
1929
1
1933-1945
1
1945-
1
1964-
1
1989-
1
332 B.C.-638 A.D.
1
476-1492
1
Civil War, 1861-1865
1
Colonial period, ca. 1600-1775
1
Conquest, 1519-1540
1
Conquest, 1522-1548
1
Medieval, 500-1500
1
Middle English, 1100-1500
1
To 1500
1
To 1783
1
To 1863
1
To 1865
1
To 332 B.C.
1