Marcos: Power By Maanyach Nov 9, 1965 Marcos elected president Jan 30, 1969 Marcos re-elected Jan 30, 1970 Battle of Mendiola Filipino citizens show their anger caused by Marcos's re-election through violence during this time Jun 11, 1971 First constitutional convention Aug 21, 1971 Bombing in Plaza Miranda The Plaza Miranda bombing occurred during a political campaign