An epic (from the Ancient Greek adjective ἐπικός (epikos), from ἔπος (epos) "word, story, poem") is a lengthy narrative poem, ordinarily concerning a serious subject containing details of heroic deeds and events significant to a culture or nation.Oral poetry may qualify as an epic, and Albert Lord and Milman Parry have argued that classical epics were fundamentally an oral poetic form. Nonetheless, epics have been written down at least since the works of Virgil, Dante Alighieri, and John Milton. Many probably would not have survived if not written down. The first epics are known as primary, or original, epics. One such epic is the Old English story Beowulf. Epics that attempt to imitate these like Milton's Paradise Lost are known as literary, or secondary, epics. Another type of epic poetry is epyllion (plural: epyllia), which is a brief narrative poem with a romantic or mythological theme. The term, which means 'little epic', came into use in the nineteenth century. It refers primarily to the erudite, shorter hexameter poems of the Hellenistic period and the similar works composed at Rome from the age of the neoterics; to a lesser degree, the term includes some poems of the English Renaissance, particularly those influenced by Ovid.^{[citation needed]} The most famous example of classical epyllion is perhaps Catullus 64.

Irwin Allen Ginsberg ( /ˈɡɪnzbərɡ/; June 3, 1926 – April 5, 1997) was an American poet and one of the leading figures of the Beat Generation in the 1950s. He vigorously opposed militarism, materialism and sexual repression. Ginsberg is best known for his epic poem "Howl", in which he celebrated his fellow "angel-headed hipsters" and harshly denounced what he saw as the destructive forces of capitalism and conformity in the United States. This poem is one of the classic poems of the Beat Generation. The poem, which was dedicated to writer Carl Solomon, opens:

madness, starving hysterical naked, dragging themselves through the negro streets at dawn

In October 1955, Ginsberg and five other unknown poets gave a free reading at an experimental art gallery in San Francisco. Ginsberg's "Howl" electrified the audience. According to fellow poet Michael McClure, it was clear "that a barrier had been broken, that a human voice and body had been hurled against the harsh wall of America and its supporting armies and navies and academies and institutions and ownership systems and power support bases." In 1957, "Howl" attracted widespread publicity when it became the subject of an obscenity trial in which a San Francisco prosecutor argued it contained "filthy, vulgar, obscene, and disgusting language." The poem seemed especially outrageous in 1950s America because it depicted both heterosexual and homosexual sex at a time when sodomy laws made homosexual acts a crime in every U.S. state. "Howl" reflected Ginsberg's own homosexuality and his relationships with a number of men, including Peter Orlovsky, his lifelong partner. Judge Clayton W. Horn ruled that "Howl" was not obscene, adding, "Would there be any freedom of press or speech if one must reduce his vocabulary to vapid innocuous euphemisms?"