Suspension of the Writ of Habeas Corpus (1971)
Following the Plaza Miranda bombing (allegedly by the Communist Party of the Philippines, led by Jose Maria Sison), President Marcos, citing a communist plot to destabilize the government, assumed emergency powers and suspended the privilege of the writ of habeas corpus — a prelude to declaring Martial Law.
Nightly curfew and travel ban is lifted (1977)
On August 22, 1977, President Ferdinand Marcos announced that he was lifting the nightly curfew and the travel ban as his first step towards relaxing the restrictions imposed under martial law.