Era
20th century
472
19th century
100
1900-1999
79
21st century
73
2000-2099
34
18th century
18
1800-1999
10
1800-1899
8
1900 - 1999
8
1900-2099
7
1945-
6
1971-
6
1864-1946
5
1871-1922
4
1917-1963
4
1918-1945
4
1955-
4
1960-
4
1700-1899
3
1783-1865
3
1865-1918
3
1887-1986
3
1908-1984
3
1936-1970
3
1941-
3
1951-1960
3
1954-
3
1957-
3
1961-
3
1961-1970
3
1962-
3
1974-
3
Colonial period, ca. 1600-1775
3
1706-1790
2
17th century
2
1909-1994
2
1911-2010
2
1923-1997
2
1929
2
1930-
2
1937-
2
1938-
2
1940-
2
1945-1970
2
1946-
2
1948-
2
1951-
2
1954-2012
2
1966-
2
1967-
2
more ...