"After their origin in 1103 and some 80 years of existence, the Equestrian Order of the Holy Sepulchre of Jerusalem first began to fail as a cohesive military body of knights after Saladin regained Jerusalem in 1187, and completely ceased to exist in that format after the defeat of Acre in 1291. Only in 1847 the Latin Patriarchate of Jerusalem was restored and Pope Pius IX modernised the Order.
