On this day, 31 July 1968 in Mexico students occupied many schools and universities, and called for a general strike. Violent battles erupted in Mexico City between students and riot police. Discontent over economic hardship and huge government spending on the Olympics that year was increasing, and culminated in the Tlatelolco massacre in which security forces killed hundreds in the city in early October. https://www.facebook.com/workingclasshistory/photos/a.296224173896073/1773706789481130/?type=3