Where Jafar bin abi talib (aka al-Tayar), Zeid Ibnu Haretha and Abdullah ibn abi Rawaha(ra) are buried after becoming martyrs in the battle of Mutah'.629 ce. It was in Mutah that the Muslim armies fought the Byzantines, outnumbered 3,000 to about 100,000 they were forced to retreat but Khalid Ibn Al-Walid (ra) employed a very intelligent military tactic. More: <a href="http://en.wikipedia.org/wiki/Battle_of_Mu">en.wikipedia.org/wiki/Battle_of_Mu</a>'tah