Keats published his ballad in 1819 and revised it in 1820. The poem takes its inspiration from the 15th century and turns to the medieval past in pursuit of depicting the femme fatale. Event Source https://en.wikipedia.org/wiki/La_Belle_Dame_sans_Merci#/media/File:John_William_Waterhouse_-_La_Belle_Dame_sans_Merci_(1893).jpg Event date 1819 Event date Event date 1819-01-01 Parent Chronology Plotting the Supernatural Vetted? No