He was born in Carpentras. A government minister in various posts during the coalition governments between 1924 and 1928, he was instrumental in the Radical Party's break with the Socialists in 1926 and with the conservative Raymond Poincaré in November 1928.
Daladier became a leading member of the Radicals. He was first became Prime Minister during 1933, and then again in 1934 for a few weeks during the right wing rioting of that year, which led to the left's fall from power. He became Minister of War for the Popular Front coalition in 1936, and became Prime Minister again on April 10, 1938 after the fall of the Popular Front. His term in power saw the Munich Agreement, when France backed out of its obligations to defend Czechoslovakia. In 1939 after the German invasion of Poland he was reluctant to go to war, but did so on September 3, 1939. In March 1940 he resigned as Prime Minister in France, due to his failure to aid Finland's defense during the Phony War and was replaced with Paul Reynaud. He fled to Morocco, but was arrested and tried for treason by the Vichy government. He was a German prisoner until the end of the war.
1 November1938 - Paul Reynaud succeeds Paul Marchandeau as Minister of Finance. Marchandeau succeeds Reynaud as Minister of Justice.
13 September1939 - Georges Bonnet succeeds Marchandeau as Minister of Justice. Daladier succeeds Bonnet as Minister of Foreign Affairs, remaining also Minister of National Defense and War. Raymond Patenôtre leaves the Cabinet and the Position of Minister of National Economy is abolished. Alphonse Rio succeeds Chappedelaine as Minister of Merchant Marine. Yvon Delbos succeeds Zay as Minister of National Education. René Besse succeeds Champetier as Minister of Veterans and Pensioners. Raoul Dautry enters the Cabinet as Minister of Armaments. Georges Pernot enters the Cabinet as Minister of Blockade.
Daladier became Minister of War for the Popular Front coalition in 1936, and became Prime Minister again on 10 April1938 after the fall of the Popular Front.
Daladier fled with other members of the government to Morocco, under the impression that the government would continue in North Africa, but was arrested and tried for treason by the Vichy government during the "Riom Trial".