When did Herman's Hermit have their first number one song?
1964
1964
1964
1964
1965
1964
1967
1965
1964
1967
1963
1968
1965
1964
1967
1963
1966
1968
1965
1964
1967
1963
1966
1939
1958
1960
1968
1965
1957
1964
1967
1963
1966
1958
1960
1968
1956
1965
1939
1962
1957
1964
1967
1963
1966
1958
1960
1959
1968
1956
1955
1965
1962
1957
1927
1964
1967
1963
1966
1961
1958
1969
1960
1959
1968
1956
1955
1965
1962
1957
1964
1967
1927
1963
1966
1961
1958
1969
1960
1959
1968
1956
1955
1965
1962
1957
1964
1967
1963
1966
1961
1958
1969
1960
1959
1968
1956
1955
1965
1962
1926
1957
1964
1967
1963
1966
1961
1958
1969
1960
1959
1968
1956
1955
1965
1962
1957
1964
1967
1926
1932
1963
1966
1961
1958
1969
1960
1959
1968
1956
1955
1965
1950
1962
1954
1957
1924
1964
1931
1967
1963
1966
1970
1961
1958
1969
1960
1932
1959
1968
1956
1955
1965
1950
1921
1962
1954
1957
1964
1967
1952
1924
1923
1963
1966
1931
1970
1961
1958
1969
1960
1959
1968
1956
1955
1965
1950
1962
1954
1922
1948
1957
1964
1921
1967
1952
1963
1966
1970
1961
1958
1969
1960
1959
1968
1956
1955
1923
1965
1950
1953