The Song of Roland

The Song of Roland is the oldest surviving major work of French literature
French literature
French literature is, generally speaking, literature written in the French language, particularly by citizens of France; it may also refer to literature written by people living in France who speak traditional languages of France other than French. Literature written in French language, by citizens...

. It exists in various manuscript versions which testify to its enormous and enduring popularity in the 12th to 14th centuries. The oldest of these is the Oxford
Bodleian Library
The Bodleian Library , the main research library of the University of Oxford, is one of the oldest libraries in Europe, and in Britain is second in size only to the British Library...

 manuscript which contains a text of some 4004 lines (the number varies slightly in different modern editions) and is usually dated to the middle of the twelfth century (between 1140 and 1170).