Original: In an effort to colonize the wilderness especially of southwest France , almost seven hundred new towns were built between 1222 ( Cordes-sur-Ciel , Tarn ) and 1372 ( La Bastide d'Anjou , Tarn ) .
Simplified: Bastides were built mainly between 1229 and 1373 , between the Albigensian Crusade and the Hundred Years War .