The group emerged in mid-1948 as the Voice of the Opposition, following a split from the Democratic Movement for National Liberation.
Voice of the Opposition published Sawt al-brulitaria (صوت البروليتاريا, 'Voice of the Proletariat').
[2][3] The leadership of MISHMISH was almost exclusively Jewish, made up by former members of the Iskra group.
Albeit the organisation adopted a '100% proletarian' line, most of its leaders came from wealthy backgrounds.
[4] MISHMISH condemned the Egyptian military intervention in Palestine as a 'racist war'.