The Navy Museum is a maritime museum in Lisbon, dedicated to all aspects of the history of navigation in Portugal. It occupies a part of the neo-Manueline Western wing of the Jerónimos Monastery with the National Museum of Archaeology, as well as a modern annex built to the North of the monastery.
The history of the museum is connected to King Luís I (1838-1889), who had a strong interest in oceanographic studies and an accomplished navigator himself. In 1863, he began collecting items related to the preservation of maritime history of Portugal, a collection that was enlarged in the following decades, culminating in the inauguration of the Maritime Museum in 1963 in its present location.
The exhibits include historical paintings, archaeological items and many scale models of ships used in Portugal since the 15th century, a collection of navigations instruments and maps, royal barges, as well as the Fairey III 'Santa Cruz' that crossed the Atlantic in 1923, and the Portuguese Navy's first aircraft, an FBA Type B flying boat.
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.