Recent 12++ Dia De Los Muertos Poster Ideas. Specifically, the term día de los muertos traditionally refers to november 2, when deceased adults. Although marked throughout latin america , dia de los muertos is most strongly associated with mexico, where the tradition originate d. The celebration occurs annually on october 31, november 1, and november 2, and is held to honor those who have died. Felíz día de los muertos!