Decades and years
| 20th century 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s |
| 20th century : 1900s |
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| 1900 - 1901 - 1902 - 1903 - 1904 - 1905 - 1906 - 1907 - 1908 - 1909 |
| 20th century : 1910s |
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| 1910 - 1911 - 1912 - 1913 - 1914 - 1915 - 1916 - 1917 - 1918 - 1919 |
| 20th century : 1920s |
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| 1920 - 1921 - 1922 - 1923 - 1924 - 1925 - 1926 - 1927 - 1928 - 1929 |
| 20th century : 1930s |
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| 1930 - 1931 - 1932 - 1933 - 1934 - 1935 - 1936 - 1937 - 1938 - 1939 |
| 20th century : 1940s |
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| 1940 - 1941 - 1942 - 1943 - 1944 - 1945 - 1946 - 1947 - 1948 - 1949 |
| 20th century: 1950s |
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| 1950 - 1951 - 1952 - 1953 - 1954 - 1955 - 1956 - 1957 - 1958 - 1959 |
| 20th century : 1960s |
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| 1960 - 1961 - 1962 - 1963 - 1964 - 1965 - 1966 - 1967 - 1968 - 1969 |
| 20th century : 1970s |
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| 1970 - 1971 - 1972 - 1973 - 1974 - 1975 - 1976 - 1977 - 1978 - 1979 |
| 20th century : 1980s |
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| 1980 - 1981 - 1982 - 1983 - 1984 - 1985 - 1986 - 1987 - 1988 - 1989 |
| 20th century : 1990s |
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| 1990 - 1991 - 1992 - 1993 - 1994 - 1995 - 1996 - 1997 - 1998 - 1999 |
See also
| Centuries B.C. era - 1st to 10th century - 11th century - 12th century - 13th century - 14th century 15th century - 16th century - 17th century - 18th century - 19th century - 20th century - 21st century |
