Answer:
They wore iron helmets, chain mail armour, and carried swords, axes, spears and wooden shields. Vikings were also skilled with bows and arrows. The weapons were made with iron, and often decorated with inlaid, or encrusted silver or copper. ... A Viking's weapons were usually buried with him when he died.
However, two of them, Aglaurus and Herse, curious to see what was inside, opened it and saw the infant Erichthonius wrapped around a snake. Driven in madness due to the sight, the two sisters along with the third, Pandrosus, fled and fell off the Acropolis to their deaths.
This implies that dragons are real because all the other animals on the calendar are real.