1754 – Washington surrenders to Jumonville's half brother Louis Coulon de Villiers in the Battle of the Great Meadows in Fayette County, Pennsylvania. It is the only time Washington is to ever surrender in battle.[citation needed] He signs a document taking responsibility for the assassination of Jumonville and is released. The document is to be used to widen the war into the global Seven Years' War.[citation needed] 1762 – Following massive French defeats, the French secretly cede Louisiana on the west side of the Mississippi to its ally Spain in the Treaty of Fontainebleau (1762).