Global Voices – In May 1911, the town of Torreón, in the Mexican state of Coahuila, was the scene of bloody and almost forgotten events when 303 Chinese citizens, half the Chinese population of the town back then, were killed during the height of the Mexican Revolution.

http://globalvoicesonline.org/2015/05/29/the-forgotten-massacre-of-chinese-people-in-torreon-mexico/