When did Herman's Hermit have their first number one song?
1964
1965
1965
1965
1965
1965
1965
1968
1964
1966
1965
1968
1964
1966
1965
1968
1964
1966
1965
1963
1968
1964
1966
1965
1963
1968
1964
1966
1965
1963
1968
1964
1966
1965
1969
1963
1968
1964
1966
1965
1969
1963
1968
1964
1966
1965
1969
1963
1968
1964
1966
1960
1965
1969
1963
1968
1964
1966
1967
1973
1960
1965
1969
1963
1968
1964
1966
1967
1973
1960
1965
1969
1970
1963
1968
1964
1966
1967
1973
1960
1965
1969
1970
1958
1963
1968
1964
1966
1967
1973
1960
1965
1969
1970
1958
1963
1968
1964
1966
1967
1973
1960
1965
1969
1970
1958
1963
1968
1964
1966
1962
1967
1973
1960
1969
1970
1958
1963
1968
1964
1966
1962
1967
1973
1960
1969
1970
1958
1963
1968
1964
1966
1962
1967
1973
1960
1971
1969
1970
1958
1963
1968
1964
1957
1966
1962
1965.
1967
1973
1960
1971
1969
1970
1958
1963
1968
1964
1957
1966
1962
1967
1973
1960
1972
1971
1969
1970
1958
1963
1968
1964
1957
1966
1962
1967
1973
1960
1972
1971
1969
1970
1958
1963
1957
1962
1967
1973
1960
1972
1971
1969
1974
1970
1958
1963
1957
1962
1967
1973
1960
1972