the site was used in 1189 c.e. as a crusader encampment during a military campaign, and a document dated october 1200 recorded the sale of the village by king amalric ii of jerusalem to the teutonic order. no crusader era buildings have been found in al-bassa, and a cross once dated to the crusader period was later re-dated to the byzantine era. a-bassa was the first village listed as part of the domain of the crusaders during the hudna between the crusaders based in acre and the mamluk sultan al-mansur (qalawun) in 1283.