Hamlet

The story of Shakespeare's Hamlet was derived from the legend of Amleth, preserved by 13th-century chronicler Saxo Grammaticus in his Gesta Danorum, as subsequently retold by 16th-century scholar François de Belleforest. Shakespeare may also have drawn on an earlier (hypothetical) Elizabethan play known today as the Ur-Hamlet, though some scholars believe he himself wrote the Ur-Hamlet, later revising it to create the version of Hamlet we now have