The Third Crusade Sword was issued by Gregory VIII in 1187, after Jerusalem had been recaptured by the armies of Islam under Saladin.
Philip and Richard, with their armies, departing only in July, 1190, crossed the sea and, after stops at Sicily and Cyprus, landed at Acre—Philip in April and Richard in June—where they joined the siege, and the city surrendered in July, 1191. Philip departed for France in August, leaving Richard in control. The terms of the surrender of Acre included a prisoner exchange and the return, by Saladin, of the True Cross, which he had captured with Jerusalem in 1187.
Knights of Crusades - The Knights Templars, The Knights Hospitallers, The Carthar Knights and the Teutonic Knights.
Its simple cruciform design made it historically popular form for many years 900-1600 A.D. and it was used by many European countries. The length of the blade made it not only easy for ground fighting but also made it long enough to use from horse back as well.