"La Chanson de Roland" is an epic poem from the 11th century, considered one of the oldest and most significant works of French literature. It tells the story of Roland, a brave knight and the nephew of Charlemagne, who defends the rear guard of the Frankish army during a battle against the Saracens in Spain. The poem highlights themes of heroism, loyalty, and sacrifice. The narrative centers on the betrayal of Ganelon, who conspires against Roland and leads to a tragic ambush. As Roland faces overwhelming odds, he blows his horn, the Olifant, to summon help, but it is too late. His valor and the consequences of his actions resonate throughout the poem, making it a timeless tale of chivalry.