• Mytune, IL 1944 (man dressed in black, paralizing victims)
• Strausberg, Germany 1518 (uncontrollable dancing)
• Vertsberg, Germany 1749 (nuns)
• Austria (nuns meowing)
• Tanganyika (now Tanzania), where an epidemic of contagious laughter broke out 1963 
• Mexico (600 paralized girls) 2006

Research riots

• Stravinsky's Rite of Spring riot 1910
• wapedia references:
  • Dancing mania (e.g. Dancing Plague of 1518)
  • Dennō Senshi Porygon
  • Fan death
  • The Gorbals Vampire
  • Halifax Slasher
  • London Monster
  • Mad Gasser of Mattoon
  • Morangos com Açúca
  • New Delhi monkeyman
  • Penis panic
  • Salem witch trials
  • Satanic Ritual Abuse
  • Spring Heeled Jack
  • Tanganyika Laughter Epidemic
  • The War of The Worlds, a radio broadcast that allegedly caused mass hysteria
  • Villejuif leaflet, mass panic after false rumours of carcinogens in common foods
  • Day care sex abuse hysteria
  • Bandwagon effect
  • Collective behavior
  • Collective effervescence
  • Conversion syndrome
  • Crowd psychology
  • Extraordinary Popular Delusions and the Madness of Crowds by
  • Charles Mackay
  • Folie à deux
  • Group behaviour
  • Herd behavior
  • Hysterical contagion
  • Mean world syndrome
  • Moral panic
  • Witch-hunt
  • Fears

 *Google: mass hysteria, mob mentality, sociology, group think, collective memory, riots, mass suicides, brain washing....