Muslim Abbasid caliph al-Mutawakkil imposed a decree in Babylonia, Iraq about year 850, requiring all Jews and other minority groups wear a yellow patch on their clothing or head covering.

Date:
      850 CE
Occupation:
      Judaism
Location:
      Iraq

Additional Information:

• Yellow badge – Wikipedia
  Yellow badges (or yellow patches), also referred to as Jewish badges are badges that Jews … The practice of wearing special clothing or markings to distinguish Jews and other non-Muslims (Dhimmis) in … On 19 June 1269, Louis IX of France imposed a fine of ten livres (one livre was equivalent to a pound of silver) on …
• Jewish Badge: Origins | The Holocaust Encyclopedia
  Decrees that ordered Jews to wear special badges for purposes of … Under Caliph Haroun al-Rashid (807 CE), Jews in Baghdad had to wear yellow belts or fringes. Under Caliph al-Mutawakkil, (847-61) Jews wore a patch in the shape of a … of the subsequent imposition of a so-called Jewish badge in Christian kingdoms.
• Jewish Badge: During the Nazi Era – Holocaust Encyclopedia
  Nazi officials implemented the Jewish badge (an identifying badge to mark … individual German military and civilian authorities imposed the Jewish badge in … all Jews over six years of age to wear, on the left side of the chest, a yellow star the …
• Holocaust Badges | Holocaust Memorial Center
  The Jews of Europe were legally compelled to wear badges or … wear the badge himself if it were imposed on his country’s Jewish population, … A yellow Star of David outlined in black with the German word for “Jew” written in Hebraic style.
• The King of Denmark Wore a Yellow Star – Snopes.com
  Jul 5, 2000 – The legend of non-Jewish Danes donning yellow stars in solidarity with … The legend of Denmark’s King Christian X and his wearing of the yellow … and the subsequent imposition of laws requiring Jewish-owned shops to be …