Era
20th century
16
21st century
7
1929
4
19th century
3
2011
3
Civil War, 1861-1865
2
-1853
1
1032-1499
1
13th century
1
1599-1660
1
1606-1670
1
1664-1754
1
1743-1803
1
1775-1865
1
1789-1854
1
1815 or 1816-
1
1832-1919
1
1867-1957
1
1877-1964
1
1885-1976
1
1904-1973
1
1907-1964
1
1912-1950
1
1925-1953
1
1940
1
1951-
1
1957
1
1986
1
1990
1
1993
1
2000
1
2004
1
2009
1
2010
1
2019
1
2021-
1
German occupation, 1940-1945
1
Heian period, 794-1185
1
Louis IX, 1226-1270
1
Revolution, 1791-1804
1
Revolution, 1959
1
Soviet occupation, 1940-1941
1