The Chronicle of Ibn al-Athir for the Crusading Period from al-Kamil fi'l-Ta'rikh. Part 1: The Years 491-541/1097-1146: The Coming of the Franks and t - Paperbackby Nocontributor (Other) The Chronicle of Ibn al Athir (1160 1233AD), entitled 'al Kamil fi'l Ta'rikh', is one of the outstanding sources for the history of the mediaeval world. It covers the whole sweep of Islamic history almost up to the death of its author and, with the sources available to him, he attempted to embrace the widest geographical spread; events in Iraq, Iran and further East run in counterpoint with those involving North Africa and