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End of the year

In Macau, rioting broke out during the 12-3 incident. The event was prompted by the colonial government's delays in approving a new wing for a CCP elementary school in Taipa. The school board illegally began construction, but the colonial government sent police to stop the workers. Several people were injured in the resulting melee. On December 3, 1966, two days of rioting occurred in which hundreds were injured and six to eight were killed, leading to a total clampdown by the Portuguese government. The event set in motion Portugal's de facto abdication of control over Macau, putting Macau on the path to eventual absorption by China.

By the beginning of 1967, a wide variety of grassroots political organizations had formed. Beyond Red Guard and student rebel groups, these included poor peasant associations, workers' pickets, and Mao Zedong Thought study societies, among others. Communist Party leaders encouraged these groups to "join up,", and these groups joined various coalitions and held various cross-group congresses and assemblies.