Bolshevik Communist Party
Bolshevik Communist Party was a communist group in Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 during the 1960s. PCB was founded in August 1963 by a group that had been expelled from the Mexican Communist Party
Mexican Communist Party
The Mexican Communist Party was a communist party in Mexico. It was founded in 1911 as the Socialist Workers' Party by Manabendra Nath Roy, a left-wing Indian intellectual. The PSO changed its name to the Mexican Communist Party in November 1919 following the Bolshevik Revolution in Russia...

 (PCM) in April 1962. The group had been in operation as a faction within the Federal District
Mexico City
Mexico City is the Federal District , capital of Mexico and seat of the federal powers of the Mexican Union. It is a federal entity within Mexico which is not part of any one of the 31 Mexican states but belongs to the federation as a whole...

 Committee of the PCM, which had opposed the new leadership of the party installed at the 1960 congress. Leading members of PCB were Guillermo Rousset Banda and Santiago González.

Soon after its formation, the PCB was torn by conflict between the 'Provisional National Leadership of PCB' (led by the 'Román Guerra Montemayor' cell of the party) and the 'Antonio Gramsci' cell. The latter faction was led by Rousset.

In the end the followers of Rousset were expelled from the party, and formed the Revolutionary Party of the Proletariat
Revolutionary Party of the Proletariat
The Revolutionary Party of the Proletariat was a communist political party in Mexico, founded in March 1964 by members of the 'Antonio Gramsci' cell who were expelled from the Bolshevik Communist Party. It was led by Guillermo Rousset Banda....

in March 1964. The group around the 'Román Guerra Montemayor' cell continued to operate under the name PCB.
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