The yellow badge, also known as yellow patch, Jewish badge or yellow star (Judenstern), was a badge that Jews were ordered to wear by some caliphates during the Middle Ages, some European powers during the Medieval and early modern periods, and the Axis powers in World War II. The badges marked the wearer as a religious or ethnic outsider, often as a badge of shame. The practice of wearing special clothing or markings to distinguish Jews and other non-Muslims (dhimmis) in Muslim-dominated countries seems to have been introduced in the Umayyad Caliphate by Caliph Umar II in the early 8th century. The practice was revived and reinforced by the Abbasid caliph al-Mutawakkil (847–861), subsequently remaining in force for centuries. A genizah document from 1121 gives the following description of decrees issued in Baghdad: Two yellow badges [are to be displayed], one on the headgear and one on the neck. Furthermore, each Jew must hang round his neck a piece of lead weighing [3 grammes] with the word dhimmi on it. He also has to wear a belt round his waist. The women have to wear one red and one black shoe and have a small bell on their necks or shoes. In largely Catholic Medieval Europe, Jews and Muslims were required to wear distinguishable clothing in some periods. These measures were not seen as being inconsistent with the papal bulls Sicut Judaeis. Most significantly, the Fourth Council of the Lateran headed by Pope Innocent III ruled in 1215 that Jews and Muslims must wear distinguishable dress (Latin habitus). Canon 68 reads, in part: In some provinces a difference in dress distinguishes the Jews or Saracens from the Christians, but in certain others such a confusion has grown up that they cannot be distinguished by any difference. Thus it happens at times that through error Christians have relations with the women of Jews or Saracens, and Jews and Saracens with Christian women.