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In page Dactylic hexameter:

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Later Republican writers, such as Lucretius, Catullus, and even Cicero, wrote hexameter compositions, and it was at this time that the principles of Latin hexameter were firmly established and followed by later writers such as Virgil, Horace, Ovid, Lucan, and Juvenal[citation needed]. Virgil's opening line for the Aeneid is a classic example: