2014 Midwest FurFest gas attack
2014 CE.
Shown on the map at 41.981°, -87.859°.
On December 7th, 2014, Midwest FurFest was targeted by a chlorine gas attack, hospitalizing 19 attendees. At the time, Midwest FurFest was the second-largest furry convention in the United States, with over 5,400 attendees. The convention took place at the Hyatt Regency O'Hare hotel in Rosemont, Illinois, from December 5 to 7.
Text from the Wikipedia article 2014 Midwest FurFest gas attack, licensed CC BY-SA 4.0.