This
category is for organizations, places, companies, or other things that were founded or established in Prussia in the 20th century.
19th c. ← Establishments in Prussia in the 20th century → 21st c.
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- 1920s establishments in Prussia — 1920
- 1921
- 1922
- 1923
- 1924
- 1925
- 1926
- 1927
- 1928
- 1929
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- 1930s establishments in Prussia — 1930
- 1931
- 1932
- 1933
- 1934
- 1935
- 1936
- 1937
- 1938
- 1939
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- 1940s establishments in Prussia — 1940
- 1941
- 1942
- 1943
- 1944
- 1945
- 1946
- 1947
- 1948
- 1949
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- 1950s establishments in Prussia — 1950
- 1951
- 1952
- 1953
- 1954
- 1955
- 1956
- 1957
- 1958
- 1959
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- 1960s establishments in Prussia — 1960
- 1961
- 1962
- 1963
- 1964
- 1965
- 1966
- 1967
- 1968
- 1969
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- 1970s establishments in Prussia — 1970
- 1971
- 1972
- 1973
- 1974
- 1975
- 1976
- 1977
- 1978
- 1979
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- 1980s establishments in Prussia — 1980
- 1981
- 1982
- 1983
- 1984
- 1985
- 1986
- 1987
- 1988
- 1989
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- 1990s establishments in Prussia — 1990
- 1991
- 1992
- 1993
- 1994
- 1995
- 1996
- 1997
- 1998
- 1999
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2000s establishments in Prussia — 2000
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