Era
20th century
168
To 1500
66
19th century
59
21st century
46
18th century
39
17th century
33
16th century
24
1918-1945
14
British occupation, 1765-1947
13
1991-
10
1933-1945
9
1947-
9
Civil War, 2011-
8
To 146 B.C.
8
1765-1947
7
1837-1901
7
1869-1948
7
1945-
7
1989-
7
265-30 B.C.
7
Ottoman Empire, 1288-1918
7
Republic, 265-30 B.C.
7
1919-1947
6
Revolution, 1789-1799
6
1517-1648
5
1789-1815
5
1947-1984
5
1990-
5
1993-
5
476-1492
5
Augustus, 30 B.C.-14 A.D.
5
Civil War, 1642-1649
5
Empire, 30 B.C.-476 A.D.
5
Roman period, 55 B.C.-449 A.D.
5
Stuarts, 1603-1714
5
To 168 B.C.
5
To 476
5
1789-1900
4
1917-1936
4
1918-1933
4
1949-
4
1968-1998
4
1984-
4
356 B.C.-323 B.C.
4
Empire, 30 B.C.-284 A.D.
4
Revolution, 1917-1921
4
To 622
4
1066-1485
3
14th century
3
1801-1917
3
more ...