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  2. Fortification - Wikipedia

    en.wikipedia.org/wiki/Fortification

    John Smith's 1624 map of Bermuda with the first stone fortifications built by England in the New World. The founding of urban centers was an important means of territorial expansion and many cities, especially in eastern Europe, were founded precisely for this purpose during the period of Ostsiedlung. These cities are easy to recognize due to ...

  3. Medieval fortification - Wikipedia

    en.wikipedia.org/wiki/Medieval_fortification

    Medieval fortification refers to medieval military methods that cover the development of fortification construction and use in Europe, roughly from the fall of the Western Roman Empire to the Renaissance. During this millennium, fortifications changed warfare, and in turn were modified to suit new tactics, weapons and siege techniques.

  4. Defensive wall - Wikipedia

    en.wikipedia.org/wiki/Defensive_wall

    A defensive wall is a fortification usually used to protect a city, town or other settlement from potential aggressors. The walls can range from simple palisades or earthworks to extensive military fortifications such as curtain walls with towers, bastions and gates for access to the city. [1]

  5. Stone wall - Wikipedia

    en.wikipedia.org/wiki/Stone_wall

    The first stone walls were constructed by farmers and primitive people by piling loose field stones into a dry stone wall. Later, mortar and plaster were used, especially in the construction of city walls, castles, and other fortifications before and during the Middle Ages. These stone walls are spread throughout the world in different forms.

  6. List of oldest extant buildings - Wikipedia

    en.wikipedia.org/wiki/List_of_oldest_extant...

    Building Image Country Continent First built Use Note Towers of Tell Qaramel: Syria: Asia: 10650–9650 BCE Tower Located in Aleppo Governorate, five stone towers were found at Tell Qaramel; dated to the period from the middle of the 11th millennium BCE to about 9650 BCE, making them the oldest structures of this type in the world.

  7. Motte-and-bailey castle - Wikipedia

    en.wikipedia.org/wiki/Motte-and-bailey_castle

    Some existing motte-and-bailey castles were converted to stone, with the keep and the gatehouse usually the first parts to be upgraded. [102] Shell keeps were built on many mottes, circular stone shells running around the top of the motte, sometimes protected by a further chemise, or low protective wall, around the base. By the 14th century, a ...

  8. History of construction - Wikipedia

    en.wikipedia.org/wiki/History_of_construction

    Pre-historic men made tools out of bone, ivory, antler, hide, stone, wood, grass, metals (gold, copper and silver) and animal fibers. Various tools for cutting ( hand axe , chopper , adze and celt ), scrape or chop ( flake tool ), and tools to pound, pierce, roll, pull and lever were made and used.

  9. Walls of Constantinople - Wikipedia

    en.wikipedia.org/wiki/Walls_of_Constantinople

    The city fell on 29 May after a total of seven weeks of siege: at this time, it was reckoned to have the strongest fortifications of any city in Europe. [124] After the capture of the city, one of Mehmed's first actions was to order the repair of the walls. [125] The wall was later damaged in the 1766 Istanbul earthquake.