The Nika riots (Greek: Στάσις τοῦ Νίκα, romanized: Stásis toû Níka), Nika revolt or Nika sedition took place against Byzantine emperor Justinian I in Constantinople over the course of a week in 532 C.E. They are often regarded as the most violent riots in the city's history, with nearly half of Constantinople being burned or destroyed and tens of thousands of people killed.
Background
The Roman empire had well-developed associations, known as demes, which supported the different factions (or teams) to which competitors in certain sporting events belonged, especially in chariot racing. There were initially four major factions in chariot racing, differentiated by the colour of the uniform in which they competed; the colours were also worn by their supporters. These were the Blues (Veneti), the Greens (Prasini), the Reds (Russati), and the Whites (Albati), although by the 6th century the only teams with any influence were the Blues and Greens. Emperor Justinian I was a supporter...