Era
20th century
19th century
6
21st century
6
20th century --
5
1945-
4
1517-
2
18th century
2
1902-
2
1947-
2
1952-
2
1979-
2
1288-1453
1
1453-1683
1
1683-1829
1
1789-1900
1
1868-1945
1
1869-1948
1
1878-1909
1
1880-
1
1882-
1
1889-1965
1
1893-1960
1
1903-1964
1
1912-1945
1
1916-2006
1
1917-
1
1917-1948
1
1922-1976
1
1924-
1
1924-19
1
1925-
1
1933-1945
1
1945-1989
1
1953-1964
1
1964-
1
1966-
1
1998-
1
20st century
1
21st century --
1
21th century
1
Bombardment, 1945
1
Ch'ing dynasty, 1644-1912
1
Tiananmen Square Incident, 1989
1
To 1990
1