In July 1218 the crusaders began their siege of Damietta, and despite resistance from the unprepared sultan Al-Adil, the tower outside the city was taken on August 25.
U lipnju 1218. godine, križari su započeli opsjedati Damietu i unatoč dobrom otporu iznenađenog sultana t Al-Adila, vanjski tornjevi su osvojeni 25. kolovoza.