Era
20th century
10
1917-2014
7
1979-
6
19th century
5
21st century
5
1956-
4
1959-
4
Appropriations and expenditures, 2019
4
1800-1999
3
1958-
3
1971-
3
1972-
3
2000-2099
3
2019
3
Since 1979
3
1900-1999
2
1935-
2
1937-
2
1945-
2
1946-
2
1947-
2
1949-
2
1954-
2
1957-
2
1961-
2
1965-
2
1970-
2
1973-
2
1975-
2
1564-1616
1
1914-1918
1
1924-
1
1933-1945
1
1933-1953
1
1936-
1
1939-1945
1
1940-
1
1942-
1
1953-
1
1955-
1
1974-
1
1979-2013
1
1991-
1
1993-2001
1
2003-2011
1
2017-
1
2020
1
Appropriations and expenditures, 2018
1
Geschichte 1961-2008
1
Geschichte 2000-2100
1
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