 It was founded in 1945 by the non-Communist majority of the resistance network, Movement of National Liberation.The project was to create a French labour party with all the former non-Communist Resistance.However, this plan failed because of the rebirth of the French Section of the Workers' International (SFIO) and the emergence of the new Christian-Democratic party Popular Republican Movement (MRP) and then of the Gaullist party, Rally of the French People (RPF).