20th century 74
21st century 31
1945- 28
1981-2001 15
1945-1989 13
19th century 13
1989- 11
2001-2009 9
1971-1981 7
Civil War, 1861-1865 6
1564-1616 4
1812-1870 4
1934- 4
2009-2017 4
1960- 3
1961-1971 3
1981-1989 3
1990- 3
1993-2001 3
2003- 3
16th century 2
1732-1799 2
1809-1865 2
1822-1888 2
1861-1865 2
1918-1945 2
1926-1945 2
1970- 2
1971-1990 2
1976-2002 2
1981- 2
1981-1993 2
2001- 2
Primitive and early church, ca. 30-600 2
Quaternary 2
1608-1674 1
1685-1750 1
1783-1865 1
1789-1945 1
1803-1882 1
1807-1882 1
1808-1875 1
1815-1882 1
1854-1912 1
1858-1937 1
1864?-1943 1
1880-1956 1
1897-1962 1
18th century 1
1908-1973 1
1919-1933 1
1933-1945 1
1941- 1
1945-1991 1
1946- 1
1949- 1
1955-1965 1
1965- 1
1976- 1
1979- 1
1980-2020 1
1989-1993 1
1991- 1
2002- 1
2009- 1
2016 1
Early church, ca. 30-600 1
Modern period, 1750- 1
Pleistocene 1
Precambrian 1
Roman period, 55 B.C.-449 A.D. 1
Siglo XX 1
To 1066 1
To 146 B.C. 1
To 1867 1
Victoria, 1837-1901 1