Henry Herbert Asquith ( 12 September 1852 â `` 15 February 1928 ) was a prime minister of the United Kingdom . Herbert Henry Asquith , 1st Earl of Oxford and Asquith , KG , PC , KC ( 12 September 1852 â `` 15 February 1928 ) served as the Liberal Prime Minister of the United Kingdom from 1908 to 1916 .