Frederick sent an ultimatum to Saladin, demanding the return of Palestine and challenging him to battle and in May 1189, Frederick's host departed for Byzantium.
Richard I and Philip II of France agreed to go on the Crusade in January 1188. Arriving in the Holy Land, Richard had led his support to the stalemated siege of Acre.
The Muslim defenders surrendered on 12 July 1191.
A period of anarchy at the end of Twosret's short reign saw a native reaction to foreign control leading to the execution of Bay and the enthronement of Setnakhte, establishing the Twentieth Dynasty.
