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  2. Fortification - Wikipedia

    en.wikipedia.org/wiki/Fortification

    An example of field fortification [3] was the construction of Fort Necessity by George Washington in 1754. There is also an intermediate branch known as semipermanent fortification. [ 4 ] This is employed when in the course of a campaign it becomes desirable to protect some locality with the best imitation of permanent defenses that can be made ...

  3. Maratha Fort Systems - Wikipedia

    en.wikipedia.org/wiki/Maratha_Fort_Systems

    Maratha forts often served as regional administrative hubs. Governors or commanders stationed at these forts oversaw local governance and implemented orders from the central authority. For example, Raigad Fort was the capital of the Maratha Empire under Shivaji, reflecting its administrative significance. [13]

  4. Fort Amsterdam, the quadrangular structure (left) in this 1660 image stood at the southern tip of Manhattan Island, defending New Amsterdam Fort Norfolk in 1861, a first system fort upgraded as part of the second system The Statue of Liberty is built on top of Fort Wood of the second system Fort Adams, one of the largest third system forts

  5. Fortifications of Vauban - Wikipedia

    en.wikipedia.org/wiki/Fortifications_of_Vauban

    It includes the twelve sites which best represent the fortification system erected by Vauban. The application file was selected on 5 January 2007 by the Ministry of Culture to represent France. [2] On 7 July 2008, twelve of the network's fourteen sites were added to the list at the UNESCO annual meeting in Quebec City. [3]

  6. Defense line - Wikipedia

    en.wikipedia.org/wiki/Defense_line

    A defense line or fortification line is a geographically recognizable line of troops and armament, fortified and set up to protect a high-value location or defend territory. A defense line may be based on natural difficult terrain features, such as rivers or marshes, mountain ranges, or coastlines; temporary field fortification works such as ...

  7. Fortifications of al-Andalus - Wikipedia

    en.wikipedia.org/wiki/Fortifications_of_al-Andalus

    The gate of the ruined Castle of Gormaz, Spain (10th century). In the Umayyad period (8th–10th centuries) an extensive network of fortifications stretched in a wide line roughly from Lisbon in the west then up through the Central System of mountains in Spain, around the region of Madrid, and finally up to the areas of Navarre and Huesca, north of Zaragoza, in the east.

  8. Bastion fort - Wikipedia

    en.wikipedia.org/wiki/Bastion_fort

    A bastion fort or trace italienne (a phrase derived from non-standard French, meaning 'Italian outline') is a fortification in a style developed during the early modern period in response to the ascendancy of gunpowder weapons such as cannon, which rendered earlier medieval approaches to fortification obsolete.

  9. La Fortaleza and San Juan National Historic Site in Puerto Rico

    en.wikipedia.org/wiki/La_Fortaleza_and_San_Juan...

    The site comprises a series of Spanish-built colonial fortifications across two contributing properties: [3] La Fortaleza (Spanish for 'the fortress'), the first defensive fortification to be built in San Juan which today functions as the official executive residence to the Governor of Puerto Rico.