Era
20th century
32
19th century
21
21st century
12
18th century
3
Civil War, 1936-1939
2
1340?-1400
1
1783-1865
1
17th century
1
1801-1917
1
1827-1891
1
1830-1914
1
1885-1973
1
1886-1973
1
1894-1917
1
1904-1914
1
1908-1986
1
1914-1940
1
1918-1933
1
1919-1952
1
1925-1961
1
1941-2007
1
1949-1976
1
1960-
1
1979-
1
1997-
1
Early modern, 1500-1700
1
May Fourth movement, 1919
1
Middle Ages, 500-1500
1
Middle English, 1100-1500
1
Protests, 2011-2013
1
Revolution, 1775-1783
1