20th century 136
19th century 56
1900-1999 40
Civil War, 1861-1865 30
21st century 17
1800-1899 14
1939-1945 14
2000-2099 10
17th century 6
1945- 5
1809-1865 4
1863-1944 4
1918-1945 4
1564-1616 3
16th century 3
1766-1813 3
1861-1909 3
1868-1952 3
18th century 3
1914-1918 3
1929-1945 3
1933-1945 3
1945-1970 3
-1516 2
1796-1872 2
1800-1999 2
1819-1877 2
1843-1942 2
1849-1877 2
1860-1926 2
1863-1877 2
1865-1898 2
1878-1953 2
1879-1955 2
1894-1978 2
1896-1972 2
1900-2099 2
1917-1963 2
1924- 2
1924-2019 2
1928-2005 2
1941-1950 2
1942- 2
1946- 2
1948- 2
1949- 2
1951- 2
1956- 2
1961-1994 2
Colonial period, ca. 1600-1775 2
Early modern, 1500-1700 2
Edo period, 1600-1868 2
Primitive and early church, ca. 30-600 2
Revolution, 1775-1783 2
Revolution, 1910-1920 2
-1936 1
1254-1323? 1
1412-1431 1
1430 or 1431-1476 or 1477 1
1452-1519 1
1471-1528 1
1500-1599 1
1500-1700 1
1517-1648 1
1527-1593 1
1528-1598 1
1533-1603 1
15th century 1
1600-1682 1
1600-1699 1
1600-1775 1
1600-1868 1
1672-1725 1
1706-1790 1
1724-1792 1
1735-1826 1
1745-1829 1
1746-1828 1
1760-1849 1
1767-1838 1
1769-1821 1
1775-1865 1
1788-1839 1
1793-1863 1
1800 - 1999 1
1800-1950 1
1805-1852 1
1808-1875 1
1809-1852 1
1810-1871 1
1816-approximately 1879 1
1817-1862 1
1819-1891 1
1821-1861 1
1821-1882 1
1821-1896 1
1824-1913 1
1829-1887 1
1832 1
1832-1918 1