The LegendThe Aztec celebration of the Day of the Dead began because of the Aztec belief of how human life originated. According to one version of the legend, humans were created from bones from a previous life. The Aztecs believed that there had been five worlds created, four of which had previously been destroyed, killing humanity. After the creation of the first world (the world we currently live in), the god Quetzacoatl wanted to once again create human life which had been abolished with the destruction of the fourth sun. Create human life again Quetzacoatl during a passage through the underworld with his guide dog Xolotl. He wanted to recover human bones from the 9th circle of hell guarded by Mictlantecuhtli, the Aztec god of death and ruler of Mictal. When he arrived there, Mictlantecuhtli was reluctant to give him the bones, so he gave him a task to complete first. After completing the task, Quetzacoatl began to gather the human bones, but Mictlantecuhtli refused to allow him to gather the bones, so she sent people after him to ...