 The Liberals did not return to office until 1892 . Lord Rosebery was eventually persuaded to enter government , becoming once again Foreign Secretary serving under Gladstone as Prime Minister . In 1894 on Gladstone 's retirement he achieved his wife 's ambitions and became Prime Minister , but by then Lady Rosebery was dead . Without her , Rosebery was a shadow of his former self , taking huge doses of morphine to combat insomnia and nerves . His Prime <unk> lasted barely a year , marred by problems and difficulties . For the remainder of his life and without his wife , as Queen Victoria <unk> it , " to hold him back " , he became more and more eccentric and controversial in his decisions . His final years were <unk> by ill health and a self @-@ enforced seclusion in Scotland . He died in 1929 . 
