20th century 185
19th century 72
18th century 24
1564-1616 18
21st century 17
Early modern, 1500-1700 12
17th century 9
To 1500 9
16th century 8
Civil War, 1861-1865 7
1945- 5
1989- 5
1933-1945 4
1949- 4
-1536 3
1815-1861 3
1945-1989 3
220-589 3
Medieval, 500-1500 3
Middle Ages, 600-1500 3
Old English, ca. 450-1100 3
Renaissance, 1450-1600 3
Restoration, 1660-1700 3
Revolution, 1917-1921 3
1304-1374 2
1313-1375 2
1596-1650 2
1792-1822 2
1818-1883 2
1836-1911 2
1842-1900 2
1889-1976 2
1897-1962 2
1897-1979 2
1913-1921 2
1919-1933 2
1979-1997 2
1997-2007 2
476-1492 2
Colonial period, ca. 1600-1775 2
Cultural Revolution, 1966-1976 2
Early modern and Elizabethan, 1500-1600 2
Middle Ages, 500-1500 2
Qin and Han dynasties, 221 B.C.-220 A.D. 2
To 221 B.C. 2
To 332 B.C. 2
To 500 2
-1400 1
-524 1
1182-1251 1
1268-1559 1
1368-1422 1
1370-1435 1
13th century 1
1492-1517 1
14th century 1
1517-1882 1
1533-1613 1
1588-1679 1
1608-1674 1
1613-1689 1
1625-1649 1
1649-1660 1
1711-1776 1
1724-1804 1
1756-1836 1
1757-1827 1
1759 or 1760-1843 1
1759-1797 1
1759-1843 1
1770-1831 1
1783-1815 1
1783-1850 1
1783-1865 1
1785-1840 1
1788-1824 1
1788-1860 1
1789-1900 1
1794-1878 1
1798- 1
1807-1873 1
1809-1892 1
1810-1899 1
1812-1870 1
1815-1882 1
1821- 1
1822-1841 1
1828-1906 1
1829-1837 1
1829-1878 1
1838-1906 1
1844-1900 1
1849-1877 1
1849-1931 1
1854-1930 1
1859-1938 1
1860-1904 1
1861-1865 1
1865-1921 1
1865-1933 1