Ferdinand Marcos ( born Ferdinand Emmanuel Edralin Marcos on September 11 , 1917 â `` September 28 , 1989 ) was President of the Philippines from 1965 to 1986 . Ferdinand Emmanuel Edralin Marcos ( September 11 , 1917 â `` September 28 , 1989 ) was the tenth President of the Philippines from 1965 to 1986 .