Think your last sports rivalry was intense? Imagine a World Cup qualifier so heated it sparked a literal military invasion.

In this episode of BrainBlast, Alex and Jordan dive into the "bonkers" history of the 1969 Soccer War between El Salvador and Honduras. While the beautiful game provided the spark, the real "powder keg" was a long-standing dispute over land and population. We explore how a best-of-three series escalated from fans throwing rotten eggs at hotels to a four-day military conflict that changed the history of Central America.

Inside the 100-Hour War:

• The "Pizza" Problem: Why El Salvador's high population and Honduras's vast land led to a massive migration conflict.
• A Lawsuit for Land: The 1962 law that began stripping ...