Era
21st century
21
20th century
17
2000-2099
8
1900-1999
7
19th century
4
1900-2099
3
1800-1999
2
1946-
2
1960-1980
2
1967-
2
2020
2
-1853
1
1800-1899
1
1827-1867
1
1843-1915
1
1861-1865 (Guerre de Sécession)
1
1861-1865, Civil War
1
1898-1936
1
1923-1966
1
1951-
1
1952-
1
1954-
1
1959-
1
1971-1980
1
1978-
1
1980-
1
1994-
1
2017-2021
1
Civil War, 1861-1865
1
Louisiana
1