Betrayals: Fort William Henry and the MassacreOn the morning of August 9, 1757, British and colonial officers defending the besieged Fort William Henry surrendered to French forces, accepting the generous parole of honor offered by General Montcalm. As the column of British and colonials marched with their families and servants to Fort Edward some miles south, they were set upon by the Indian allies of the French. The resulting massacre, thought to be one of the bloodiest days of the French and