Era
20th century
389
20th century --
330
21st century
120
19th century
96
21st century --
95
19th century --
64
1945-
23
1942-1945
21
17th century
19
18th century
19
1933-1945
17
1939-1945 --
16
18th century --
13
1939-1945
13
1948-1960
13
To 1500
13
To 332 B.C
12
16th century --
11
1946-
11
750-1258
11
16th century
10
1969-
10
21th century
10
15th century
9
17th century --
9
1861-1865
9
21th century --
9
1889-1945
8
2001-
8
1947-
7
To 146 B.C.
7
1926-
6
1949-1976
6
1955-
6
Civil war, 2011-
6
Japanese occupation, 1942-1945
6
1775-1783
5
1917-1948
5
1929-1968
5
1940-
5
1945
5
1949-
5
1952-
5
1989-
5
1991-
5
2003-
5
20th Century
5
332-30 B.C
5
332-30 B.C.
5
476-1492
5
more ...