During the 1960s and 1970s, one-quarter of the historic settlement was rebuilt in a reconstruction project by the Government of Canada, including portions of its defensive walls.
Surrounding most of Old Quebec's Upper Town, construction of the wall began in the 1690s, with additional improvements and restorations done in the following centuries.
The citadel is military installation used by the Canadian Armed Forces and an official residence for the monarch and governor general of Canada.
The first permanent settlement in the area of Trois-Rivières, and the second one in New France, was originally surrounded by a palisade wall with several bastions.
When its glory period, the capital being a first European systemized ancient city (with city canal system for transportation and also large aisle and road for major transportation) in Indonesia, because Trowulan was developed in Majapahit's glory period in 13th–15th century.
Because Famagusta was still resisting, the Turks demolished much of the walls for fear of revolt or attack by the Venetians and the Great Christian Armada.
Many towns and cities still retain at least parts of their defensive walls, including: An ancient Castrum Maris stood in Birgu since the 13th century.
This was rebuilt as Fort St Angelo in the 16th and 17th centuries, when walls surrounding the entire city were built.
The city was heavily bombed in the Second World War, but its fortifications remain largely intact although they are in need of restoration.
The city walls were demolished in the 17th century, and at this point the Cittadella was rebuilt by the Order of Saint John.