 It is the world's oldest existing Communist insurgency, and is the largest, most prominent communist conflict in the Philippines, in contrast to the Marxist–Leninist RPMP-RPA-ABB rebellion, and the now-defunct Hukbalahap and Cordillera People's Liberation Army Rebellions.Between 1969 and 2008, more than 43,000 insurgency-related fatalities were recorded.The history of the CPP–NPA–NDF rebellion can be traced back to March 29, 1969, when Jose Maria Sison's newly-formed Communist Party of the Philippines entered an alliance with a small armed group led Bernabe Buscayno.