In 1892 he was elected leader of the National Liberal Party in succession to Brătianu, and was four times Prime Minister. For his last time in office, in 1907, Sturdza was called by King Carol I to handle the crisis created by the peasants' revolt of March. Although noted for his capacity for work, he was also a nationalist, resentful of "aliens" (in line with the anti-Jewish policies of his party), and supported blocking non-Romanians from a large number of social positions.