In which year was there no World Series?
1994
1902
1903
1902
1907
1903
1921
1902
1907
1904
1903
1931
1921
1932
1908
1902
1907
1904
1903
1931
1921
1905
1932
1908
1939
1902
1907
1904
1903
1926
1931
1923
1921
1932
1908
1902
1907
1904
1905
1903
1939
1931
1921
1932
1908
1902
1926
1907
1904
1909
1903
1970
1931
1923
1921
1905
1915
1932
1902
1907
1904
1950
1970
1903
1913
1908
1939
1926
1931
1921
1950
1902
1907
1970
1904
1909
1923
1947
1976
1905
1915
1903
1932
1950
1979
1921
1970
1972
1913
1908
1939
1912
1947
1976
1902
1926
1907
1931
1958
1986
1951
1967
1903
1950
1979
1970
1960
1904
1994
1972
1909
1966
1946
1923
1947
1976
1921
1969
1958
1924
1905
1915
2000
1986
1992
1902
1951
1990
1980
1967
1907
1950
1948
1979
1978
1968
2001
1970
1960
1994
1903
1932
1927
1972
1966
1946
1913
1962
1908
1939
1977
1912
1947
1976
1922
1969
1963
1982
1973
1958
1961
2000
1986
1971
1992
1959
1951
1988
1990
1980
1967
1964
1987
1974
1950
1948
1993
1979
1978
1954
1968
1902
2001
1926
1907
1970
1960
1965
1904
1931
1994
1972
1909
1966
1946
1962
1923
1977
1947
1976
1921