9/ Sometimes the conflicts go the other way - from on the field to off.
Famously, in 1969 long-simmering tensions between El Salvador πΈπ» and Honduras ππ³ boiled over at a World Cup qualifier, which lead to rioting, and then to the start of a full military conflict.
It is estimated about 3,000 people died in what became known as the "Football War"
10/ More recently the infamous "Dinamo Zagreb vs. Red Star Belgrade" match in Zagreb in 1990 is often cited as the spark that lit the fire that lead to the breakup of Yugoslavia.
https://en.wikipedia.org/wiki/Dinamo%E2%80%93Red_Star_riot
#geoweirdness