Era
20th century
9
1945-
4
1960-
3
21st century
3
1816-1855
2
1922-2000
2
1969-
2
1979-1997
2
19th century
2
Revolution, 1979
2
1392-1637
1
1785-1851
1
1809-1849
1
1867-1914
1
1893-1947
1
1933-1945
1
1940-
1
1940-2020
1
1946-
1
1959-
1
1967-
1
1970-
1
1973-
1
1974-
1
1975-
1
1976-
1
1983-
1
2007
1
2016
1
2017-2021
1
2020
1
Bombardment, 1945
1
Boxer Rebellion, 1899-1901
1
Civil War, 1861-1865
1
German occupation, 1940-1945
1
Japanese occupation, 1910-1945
1