<Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> The Song of Roland (French: La Chanson de Roland) is an epic poem (Chanson de geste) based on the Battle of Roncevaux Pass in 778, during the reign of Charlemagne . It is the oldest surviving major work of French literature and exists in various manuscript versions, which testify to its enormous and enduring popularity in the 12th to 14th centuries . </P> <P> The date of composition is put in the period between 1040 and 1115: an early version beginning around 1040 with additions and alterations made up until about 1115 . The final text has about 4,000 lines of poetry . The epic poem is the first and, along with The Poem of the Cid, one of the most outstanding examples of the chanson de geste, a literary form that flourished between the 11th and 15th centuries and celebrated legendary deeds . </P> <P> Set in the Carolingian era, it was written much later . There is a single extant manuscript of the Song of Roland in Old French, held at the Bodleian Library at Oxford . This copy dates between 1129 and 1165 and was written in Anglo - Norman . There are also eight further manuscripts, and three fragments, of other poems on the subject of Roland . </P>

What is the story of the song of roland