Fortifications were a very important part of warfare because they provided safety to the lord, his family, and his servants.

Fortifications were an excellent means of ensuring that the elite could not be easily dislodged from their lands-as Count Baldwin of Hainaut commented in 1184 on seeing enemy troops ravage his lands from the safety of his castle, " they can't take the land with them ".

Fortifications were improved and a new system of visual signalling introduced.

Fortifications around the city were erected and continually expanded, with several towers maintained by different craftsmen's guilds, according to medieval custom.

Fortifications were constructed near the site in 1861, during the Civil War when Fort Duffield was constructed.

Fortifications remained concentrated around ports until late in 1943 when defences were increased in other areas.

In 1971 he became the chief of the Bureau of Engineering and Fortifications of the Ministry of Defense ( under Enver Hoxha when thousands of concrete casements were built as defense against states held to be hostile ).

On 8 July 2008, several buildings of Briançon were classified by the UNESCO as World Heritage Sites, as part of the " Fortifications of Vauban " group.

Fortifications in the area of Pachuca city and other areas were built between 1174 and 1181.

Fortifications were often constructed in such a way as to impede escalade, or at least to make it a less attractive option.

Fortifications built at Westerplatte were in fact not very impressive: there were no real bunkers or underground tunnels, there were only five small concrete outposts ( guardhouses ) hidden in the peninsula's forest and the large barracks prepared for defense, supported by a network of field fortifications such as trenches and barricades.

During the reign of Louis XIII of France, because a number of Fortifications of the Middle Ages served in rebellions by the Huguenots in particular, the castle and it's precinct were dismantled on orders of Richelieu.

Fortifications at Hengistbury Head and more forts inland were established then.

Fortifications were constructed in the lower part of the parish during the 17th Century, including the Fort of Alagoa ( July 1621 ) and later the Fort of Bom Jesus ( 1821 ), in order to help protect and defend Horta from pirates and privateers that harassed and sacked the communities of the archipelago.

Fortifications were constructed under the direction of Sébastien de Vauban.

Among Pasley's works, besides the aforementioned, were separate editions of his Practical Geometry Method ( 1822 ) and of his Course of Elementary Fortification ( 1822 ), both of which formed part of his Military Instruction ; Rules for Escalading Fortifications not having Palisaded Covered Ways ( 1822 ; new eds.

Fortifications were built from 1878.

Fortifications were built on land from 1878 onwards.

In 1970 he made the six much more severely formalised and almost poster-like Fortifications, screenprints which were published in New York.

Fortifications were erected to safeguard this commercial role, including the 19th-century construction of defensive walls around the unfinished mausoleum, which became an important landmark and pilgrimage center of the town.

Fortifications of this type continued to be effective while the attackers were armed only with cannons, where the majority of the damage inflicted was caused by momentum from the impact of solid shot.

The old city of Saint-Martin, within the walls of the citadel, was added in 2008 to the World Heritage Site list, along with 11 others Fortifications of Vauban across France.

File: Omwalling_Steenwijk. jpg | Fortifications with gate around the old city of Steenwijk.

* Fortifications in the city and province of Salzburg ( e. g., in Neumarkt am Wallersee )

The Fortifications of Metz, a city in northeastern France, are extensive, due to the city's strategic position near the border of France and Germany.

Fortifications of Beijing city

In 1851, Niel became a member of the Committee of Fortifications.

At the same time the fortifications of Portsmouth and Gosport became just part of the wider Fortifications of the Solent.

Returning to Britain in 1848, he became the Commanding Royal Engineer for the London District in 1855 and Deputy Inspector-General of Fortifications the following year.

He started his career as a soldier in the army of Louis XIV, became a Sergeant-Major in the artillery and an Inspector of Fortifications.

Fortifications also extended in depth, with protected batteries for defensive cannonry, to allow them to engage attacking cannon to keep them at a distance and prevent them bearing directly on the vulnerable walls.

The Fortifications of Portsmouth are extensive, due to its strategic position on the English Channel and role as home to the Royal Navy.

While the first defences focused on Portsmouth harbour, in concert with the Fortifications of Gosport, later defensive structures protected the whole of Portsea Island and an increasing distance inland.

* The Hindenburg Line: The Apotheosis of German Fortifications on the Western Front in the Great War

Feachem, " The Fortifications on Traprain Law ," Proceedings of the Society of Antiquaries of Scotland, 89 ( 1955-6 ), 284-9.

* Fortifications on the Caribbean Side of Panama: Portobelo-San Lorenzo on UNESCO World Heritage List

Fortifications on Pampus island.

The newly appointed Inspector-General of Fortifications in England, Sir Andrew Clarke, appreciated the value of the torpedo and in spring 1883 an experimental station was established at Garrison Point Fort, Sheerness on the River Medway and a workshop for Brennan was set up at the Chatham Barracks, the home of the Royal Engineers.

Construction of fortifications on the island resulted from the recommendations of the Endicott Board on Fortifications, an 1886 study of America ’ s coastal defenses.

The Union's disposition on Cemetery Ridge at Gettysburg is almost perfectly sited according to Mahan's recommendations in " Field Fortifications " for disrupting an opponent's artillery fire.

* Treatise on Field Fortifications ( 1836 )

* Summary on the Cause of Permanent Fortifications and of the Attack and Defense of Permanent Works ( 1850 )

* An Elementary Course on Military Engineering Field Fortifications, Military Mining, and Siege Operations ( 1865 )

Fortifications in Longwy, inscribed on the World Heritage list by UNESCO as part of the Fortifications of Vauban