Between themed TV specials, novelty candy flavors and the pageantry of ... roots. Costumed trick-or-treating takes its inspiration from the Celtic holiday Samhain—“summer’s end” in Irish ...

Candy didn't get introduced to the trick-or-treating rotation until about the 1920s, but neighbors did hand out a different kind of sweet to 19th-century beggars — a round pastry called a 'soul ...