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Dante Alighieri's Divine Comedy is considered one of the greatest works in world literature, and it established the standardized Italian language that is used today. Writing between 1308 and 1320, Dante draws from countless subjects including Roman Catholic theology and philosophy, the struggle between the papacy and the Holy Roman Empire, Greek mythology, and geocentric cosmology to answer the age-old question: what does the afterlife look like? Dante's vision of the answer, this three-volume epic poem, describes in great detail the systematic levels in Hell, Purgatory, and Heaven.