From DriveThruRPG:
Where do your loyalties lie? To the king, despite his shortcomings, or to the radical nobles seeking to subvert the crown?
MCCLXV: Evesham is a detailed setting for historically-based role-playing in 13th-century England during the Second Barons’ War. The resource includes the mechanics for building and running a medieval manor, introduced in Medieval Manager, and an expansive background on medieval England, including the key historical figures of the time, such as Henry III, Eleanor of Provence, Edward Longshanks, and Simon de Montfort. It includes dozens of tables for facilitating play, character descriptions, plotlines and hooks, as well as diagrams for castles, manors, churches, maps of English towns and countryside, as well as maps of the decisive 1265 Battle of Evesham itself.
MCCLXV: Evesham is a 165-page resource for roleplaying in the desperate 1260’s of medieval England, adaptable for any game system.