Janus was a two faced Roman god of doorways, and of beginnings and ends. In the earliest days of the universe, Janus was created by Ouranos as a love-gift for Hecate. But Janus (as Hecate called him) was appalled by life in the Underworld and jumped into the river Styx and was carried to the Upper World. During the war between the gods and the Titans Janus gave shelter to his half-brother, Saturn, but was forced to hand him over to the gods, which he did in exchange for a promise of mercy. Afterwards, Jupiter made Janus a god, making him two-faced in punishment for his treachery and removing his power of motion, and Janus forever stood as Heaven's doorkeeper. Another account says Jupiter punished Janus by putting him in charge of the moment when the old years ends and the new year starts, endlessly repeating, thereby giving Janus immortality without the freedom to enjoy it. Research Janus
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Mythology
Research Janus