Edouard Herriot, the son of an army officer, was born in Troyes, France on 5th July, 1872. After graduation he taught in Nantes and Lyons. A radical liberal, Herriot became mayor of Lyons in 1905.
During the First World War Herriot held ministerial office under Aristide Briand (December 1916-March 1917). Herriot was elected to the Chamber of Deputies in 1919. A great orator he soon became leader of the Radical Party.
During the dispute with President Alexandre Millerand, Herriot helped organize the Cartel des Gauches, a left-wing coalition of Radicals and Socialists. In the elections of June, 1924 the group won a majority of the seats and Herriot became the new prime minister.
One in power Herriot attempted to improve relations between the European powers. He recognized the Soviet Union, accepted the Dawes Plan and agreed to evacuate troops from the Ruhr. He also advocated the formation of a European Union.
Herriot lost power in April 1925 and a second ministry in July 1926 only lasted three days. He also served as minister of education under the premiership of Raymond Poincare.
In 1929 Aristide Briand put forward the idea of a European Federal Union.