Around 300 protesters, including students, workers, and professionals, join the protest held in Davao City on Sunday, 21 September, to denounce corruption and mark the 53rd anniversary of martial. He said corruption persists as a major issue in the country due to the continued existence of a system that perpetuates the oppression of the Filipino people. Church people join the protest held in Davao City on Sunday, 21 September, to denounce corruption and mark the 53rd anniversary of martial. Maglana reminded Dabawenyos that then-President Duterte also placed Mindanao under martial law for more than two years. On May 23, 2017, Duterte declared martial law in Mindanao through Proclamation No.