Complex sentence: Castries was founded by the French in 1650 as "Carénage" (meaning "safe anchorage"), then renamed in 1756 after Charles Eugène Gabriel de La Croix, marquis de Castries, commander of a French expeditionary force to Corsica that year.
Split into simpler sentences: Castries was founded by the French in 1650 as "Carénage" (meaning "safe anchorage"). It was renamed in 1756 after Charles Eugène Gabriel de La Croix, marquis de Castries, commander of a French expeditionary force to Corsica that year.