(and even royal, since Philippe Égalité's heir accessed the throne of France under the name of Louis-Philippe Ier ). Edit When France colonised America, the territory it conquered was immense, including the whole Mississippi River (whose first European name was the River Colbert from its mouth to its source at the borders of Canada. From 13 December 1560 to, the French States-General after the death of Francis II of France, the eldest son of Catherine de Médicis and Henry. "Orléans tourisme : musées à Orléans (Orléans tourism: Museums in Orléans. It was built in the 14th century. The building became the town Hall of Orléans in 1790 (weddings are still celebrated inside).