OCPO was founded in September 1985, following a split from Communist Party (Reconstructed).
OCPO published Política Operária whose editor was the late Francisco Martins Rodrigues.
In the early 1990s OCPO was dissolved, but the publication of PO as a bimonthly theoretical magazine has continued until Francisco Martins Rodrigues death in 2008.
His funeral and cremation was held at the Cemitério do Alto São João.
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