The Church of Saint-François-des-Cordeliers was constructed as part of a monastery under Duke René II of Lorraine following the Battle of Nancy, next to the Palace of the Dukes of Lorraine. It was consecrated in 1487. The monastery was Franciscan and the French name term cordelier refers to the simple rope belts the monks would tie their cassocks around. Since the monastery was under the patronage of the dukes, the church had close ties to the House of Lorraine and a number of its members were laid to rest there. Previously members of the family were laid to rest in St George's Collegiate Church, which does not exist anymore.
The church continued to keep its connection to the ducal house after Lorraine passed under royal French rule. Marie-Antoinette of Austria stopped at the church to pray on her way to Paris for her marriage to her future husband King Louis XVI of France. Emperor Franz Joseph I of Austria also came to pray here in 1867.
References:The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinople (today Istanbul) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. They were also the largest and strongest fortification in both the ancient and medieval world.
Initially built by Constantine the Great, the walls surrounded the new city on all sides, protecting it against attack from both sea and land. As the city grew, the famous double line of the Theodosian Walls was built in the 5th century. Although the other sections of the walls were less elaborate, they were, when well-manned, almost impregnable for any medieval besieger.