https://en.wikipedia.org/wiki/Oppenheimer_Stadium_disaster
https://www.tampabay.com/archive/1991/01/14/at-least-40-killed-50-injured-in-soccer-violence-in-s-africa/
https://www.nytimes.com/1991/01/14/world/40-are-killed-and-50-injured-as-fans-riot-at-a-south-african-soccer-match.html