War of Roussillon, also called War of the Pyrenees or War of the Convention, (1793-1795). Conflict between the Spain of Charles IV and the First French Republic. Siege of Rosas (November 28, 1794-February 4, 1795). The Spanish garrison abandoned the town and French forces commanded by Catherine-Dominique de Perignon took control. Loss of Rosas. Engraving. Historia del Levantamiento, guerra y revolucion de Espana by the Conde de Toreno. Madrid, 1851. (Photo by: Prisma/Universal Images Group via Getty Images)