Events By Place Asia Estimation: Baghdad, capital of the Abbasid Empire, becomes the largest city of the world, taking the lead from Chang'an, capital of China.(External Link) In East Central Chang'an, a Uyghur Turk stabs a man to death in broad daylight in the East Market before being arrested in the marketplace shortly after. However, his Uyghur chieftan named Chixin (赤心) or Red Heart breaks into the county prison and frees the murderous culprit, wounding several Chinese s in… (More on 775)