Complex sentence: In Mexico, All Saints Day coincides with the celebration of "Día de los Inocentes" (Day of the Innocents), the first day of the Day of the Dead (Dia de los Muertos) celebration, honoring deceased children and infants.
Split into simpler sentences: In Mexico, All Saints' Day coincides with the first day of the Day of the Dead ("Dia de los Muertos ") celebration. Known as"Día de los Inocentes" (Day of the Innocents) honouring deceased children and infants.