According to Charles Kennard, one of the original manufacturers of the Ouija board, William Fuld (who is credited with naming the device) learned the name "Ouija" from using the board. Years later, Fuld would change his story, claiming it was merely a combination of the French and German words for "yes".
All Saints' Day, also known as All Hallows, Day of All the Saints, Solemnity of All Saints, or Feast of All Saints is a festival celebrated on November 1st by the Latin Church of the Roman Catholic Church and some other Western Christian traditions, and on the first Sunday after Pentecost in Eastern Catholicism and Eastern Orthodoxy, in honour of all the saints, known and unknown.
In Mexico, the practice of trick-or-treating is called calaverita (Spanish for "little skull"). Instead of saying "trick or treat", the children ask ¿me da mi calaverita? ("can you give me my little skull?"). A calaverita is a small skull made of sugar or chocolate.