When was Slayer founded?
1981
1983
1983
1983
1983
1983
1983
1983
1983
1983
1981
1983
1981
1983
1981
1976
1983
1981
1976
1983
1981
1976
1983
1981
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1983
1981
1976
1983
1981
1976
1983
1981
1976
1983
1981
1976
1983
1981
1976
1983
1981
1976
1979
1981
1976
1979
1981
1976
1973
1979
1981
1976
1973
1979
1981
1976
1973
1979
1981
1976
1973
1979
1981
1976
1973
1979
1981
1976
1973
1983.
1979
1982
1981
1976
1973
1979
1984
1982
1976
1973
1979
1984
1982
1988
1976
1973
1979
1984
1978
1982
1985
1988
1973
1980
1977
1979
1984
1978
1982
1985
1988
1983.
1973
1980
1977
1979
1984
1978
1982
1985
1988
1973
1980
1977
1979
1984
1978
1982
1985
1988
1986
1973
1980
1977
1979
1984
1978
1982
1985
1988
1986
1973
1980
1977
1979
1984
1978
1982
1985
1988
1986
1983.
1991
1973
1980
1977
1979
1984
1978
1982
1985
1988
1986
1991
1973
1980
1977
1976.
1981.
1979
1984
1978
1982
1985
1988
1986
1991
1973
1980
1977
1979
1984
1978
1982
1985
1988
1986
1991
1973
1980
1977
1983.
1979
1984
1978
1982
1985
1988
1986
1991
1973
1980
1977
1984
1978
1982
1985
1988
1986
1991