Artemis of Zeus and Leto and that she was the twin sister of Apollo. An account by Callimachus has it that Hera forbade Leto to give birth on either terra firma (the mainland) or on an island. Hera was angry with her husband Zeus because he had impregnated Leto but the island of Delos disobeyed Hera and Leto gave birth there. According to the Homeric Hymn to Artemis the island where Leto gave birth was Ortygia. In ancient Cretan history Leto was worshipped at Phaistos and, in Cretan mythology, Leto gave birth to Apollo and Artemis on the islands known today
Greek mythology the existence of this corpus of data is a strong indication that many elements of Greek mythology have strong factual and historical roots. Mythical narration plays an important role in nearly every genre of Greek literature. Nevertheless, the only general mythographical handbook to survive from Greek antiquity was the "Library" of Pseudo-Apollodorus. This work attempts to reconcile the contradictory tales of the poets and provides a grand summary of traditional Greek mythology and heroic legends. Apollodorus of Athens lived from to and wrote on many of these topics. His writings may have formed the basis for the collection; however the