October 2 – around 10,000 university and high school students gathered in the
Plaza de las Tres Culturas to protest the government's actions and listen peacefully to speeches then the national guard attacked the demonstrations thus generating the
Tlatelolco massacre.
October 12 – October 27 – The Games of the
XIX Olympiad are held in Mexico City.
October 16 – In Mexico City, black American athletes
Tommie Smith and
John Carlos raise their arms in a black power salute after winning, respectively, the gold and bronze medals in the Olympic men's 200 metres.
October 2 – around 10,000 university and high school students gathered in the
Plaza de las Tres Culturas to protest the government's actions and listen peacefully to speeches then the national guard attacked the demonstrations thus generating the
Tlatelolco massacre.
October 12 – October 27 – The Games of the
XIX Olympiad are held in Mexico City.
October 16 – In Mexico City, black American athletes
Tommie Smith and
John Carlos raise their arms in a black power salute after winning, respectively, the gold and bronze medals in the Olympic men's 200 metres.