Here you see the famous moment in which Alexander alone realizes that the mighty horse Bucephalus ("Ox-Head") is frightened by its own shadow. He therefore turned the horse to face into the sun, thus managing to mount and tame him when all others had failed. You can read a Latin account of this story here: Anecdota Latina.
You can also find more myths and legends for the week of February 5-11 here. For more information and links to the actual javascript code, see the Myths & Legends Widget Reference Page.