Popcorn can be traced back early as the 1500. In 1519, Cortes got his first sight of popcorn when he invaded Mexico and came into contact with the Aztecs. Popcorn was an important food for the Aztec Indians, who also used popcorn as decoration for ceremonial headdresses, necklaces and ornaments on statues of their gods, including Tlaloc, the god of rain and fertility. The reason popcorn pops was explained by native Aztecs. There are spirits who live inside the kernels of popcorn. As you heat t.