Ion I.C. Bratianu was a Romanian politician who served as Prime Minister of Romania for five terms between 1909 and 1927. He was the leader of the National Liberal Party and played a key role in the unification of Romania after World War I, overseeing the union of Transylvania, Bukovina, and Bessarabia with the Romanian Kingdom in 1918. Bratianu held several ministerial positions earlier in his career, including Minister of Public Works and Minister of Interior. As Prime Minister in the early 20th century, he moved the National Liberal Party towards accepting land reform and greater democratic representation.