President Marcos stages regional assembly elections in the two predominantly Muslim regions. MNLF supporters boycott the elections and government-supported KBL candidates win all the seats.

Sources: Kasaysayan: The Story of the Filipino People (Volume 10)
De Viana, Augusto V. The Philippines: A Story of a Nation. Manila: Rex Bookstore, Inc., 2011.
Gloria, Heidi K. History From Below: A View from the Philippine South. Davao: Ateneo de Davao University Publishing Office, 2014.
Rodil, B.R. Story of Mindanao and Sulu in Question and Answer. Davao: MINCODE, 2003.