The First Socialist Schism chronicles the conflicts in the International Working Men's Association (First International, 1864-1877), which represents an important milestone in the history of political ideas and socialist theory. This can be seen as a decisive moment in the history of political ideas: the split between centralist party politics and the federalist grassroots movement. The separate movements in the International - which would later develop into social democracy, communism and anarchism - found their greatest advocates in Bakunin and Marx.