Mnemosyne hardly worshiped in Ancient Greece, and were thought of as so archaic as to belong to the ancient past. They resembled historical figures more than anything else. Mnemosyne, on the other hand, traditionally appeared in the first few lines of many oral epic poems—she appears in both the "Iliad" and the "Odyssey", among others—as the speaker called upon her aid in accurately remembering and performing the poem he was about to recite. Mnemosyne is thought to have been given the distinction of “Titan” because memory was so important and basic to the oral culture of the Greeks that they deemed
Titan (mythology) Titan (mythology) In Greek mythology, the Titans (Greek: , "Titán", , "Titânes") and Titanesses (or Titanides; Greek: , "Titanís", , "Titanídes") were a race of deities: members of the second generation of divine beings—succeeding the primordial deities and preceding the Olympians—as well as certain descendants of this second generation. Based on Mount Othrys, the Titans most famously included the first twelve children of Gaia (Mother Earth) and Uranus (Father Sky). They ruled during the legendary Golden Age, and also comprised the first pantheon of Greek deities. The first twelve Titans were the females Mnemosyne, Tethys, Theia, Phoebe, Rhea, and Themis