At Hudaibiyya in the year 628, Muhammad concluded a disadvantageous treaty with the pagan Quraysh. Then, when he was in a position of strength, he broke that treaty. This has become the pattern for treaty-making in Islamic jurisprudence. Treaty of Hudaibiyya Alert: "Three killed in Thai Muslim south after ceasefire,'" from [1] Israel National News, July 20 (thanks to Twostellas):

Militants fired on an army outpost and killed three villagers in separate attacks in Thailand's restive Muslim south, police said on Sunday, days after an unknown rebel group declared a ceasefire....