Bastille Day is a parade for the military.
In British English, the term "parade" is usually reserved for either military parades or other occasions where participants march in formation; for celebratory occasions, the word procession is more usual
 The Chatillon-DeMenil Mansion in the Benton Park neighborhood, holds an annual Bastille Day festival with reenactments of the beheading of Marie Antoinette and Louis XVI, traditional dancing, and artillery demonstrations

