Gratien Le Père
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Gratien Le Père
Gratien Le Père (Versailles, 2 June 1769 – Poitiers, 1 August 1826) was a French civil engineer. A former classmate of Bonaparte at Brienne, he became an engineer of 'Ponts et Chaussées' (bridges and roads). He and his brother Jacques-Marie Le Père both joined the French Campaign in Egypt and Syria and were both leading lights in the programmes aimed at levelling Levelling or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum. It is widely used in geodesy and cartogra ... the Suez Isthmus.Edouard de Villiers du Terrage, ''Journal et souvenirs sur l'expédition d'Égypte, mis en ordre et publiés par le baron Marc de Villiers du Terrage'', Paris, E. Plon, Nourrit, 1899, et ''L'expédition d'Égypte 1798–1801, Journal et souvenirs d'un jeune savant'', Paris, Cosmopole, 2001 et 2003, p. 371 References French civil engineer ...
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Versailles (city)
Versailles ( , ) is a commune in the department of the Yvelines, Île-de-France, known worldwide for the Château de Versailles and the gardens of Versailles, which is designated an UNESCO World Heritage Sites. Located in the western suburbs of the French capital, from the centre of Paris, Versailles is a wealthy suburb of Paris with a service-based economy and is a major tourist destination. According to the 2017 census, the population of the city is 85,862, down from a peak of 94,145 in 1975.Population en historique depuis 1968
, INSEE
A new town founded by order of King , Ve ...
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Poitiers
Poitiers is a city on the river Clain in west-central France. It is a commune in France, commune, the capital of the Vienne (department), Vienne department and the historical center of Poitou, Poitou Province. In 2021, it had a population of 90,240. Its conurbation had 134,397 inhabitants in 2021 and is the municipal center of an urban area of 281,789 inhabitants. It is a city of art and history, still known popularly as "Ville aux cent clochers" (literal translation: "City of hundred bell towers"). With more than 30,000 students, Poitiers has been a major university town since the creation of its University of Poitiers, university in 1431, having hosted world-renowned figures and thinkers such as René Descartes, Joachim du Bellay and François Rabelais, among others. The plaza of the town is picturesque; its streets including predominantly preserved historical architecture and half-timbered houses, especially religious edifices, commonly from the Romanesque architecture, Roma ...
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Napoleon I Of France
Napoleon Bonaparte (born Napoleone di Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French general and statesman who rose to prominence during the French Revolution and led Military career of Napoleon, a series of military campaigns across Europe during the French Revolutionary and Napoleonic Wars from 1796 to 1815. He led the French First Republic, French Republic as French Consulate, First Consul from 1799 to 1804, then ruled the First French Empire, French Empire as Emperor of the French from 1804 to 1814, and briefly again in 1815. He was King of Italy, King of Kingdom of Italy (Napoleonic), Italy from 1805 to 1814 and Protector of the Confederation of the Rhine, Protector of the Confederation of the Rhine from 1806 to 1813. Born on the island of Corsica to a family of Italian origin, Napoleon moved to mainland France in 1779 and was commissioned as an officer in the French Royal Army in 1785. He supported the French Rev ...
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Brienne-le-Château
Brienne-le-Château () is a commune in the Aube department in north-central France. It is located from the right bank of the river Aube and 26 miles northeast of Troyes. History It was the centre of the medieval County of Brienne, whose lords, first counts and eventually dukes, had a claim to the Kingdom of Jerusalem. John of Brienne ( c. 1170 – 27 March 1237), also known as John I, was King of Jerusalem from 1210 to 1225 (and Latin Emperor of Constantinople from 1229 to 1237). He was the youngest son of Erard II of Brienne, a wealthy nobleman in Champagne. The École de Brienne was established in 1730 and remained active until it was closed in 1790. It is currently a museum. Notable students included: * Napoleon Bonaparte (1779 to 1784) (French Emperor) * Louis-Nicolas Davout (French Marshal) * Antoine Le Picard de Phélippeaux (French emigre soldier) In 1814, it was the site of the Battle of Brienne, when the Sixth Coalition invaded France. Population See al ...
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Jacques-Marie Le Père
Jacques-Marie Le Père (Paris, 25 April 1763 – Granville, 15 June 1841) was a French civil engineer. Life He accompanied the French Campaign in Egypt and Syria, was director of 'Ponts et Chaussées' (bridges and roads) in Egypt. After accompanying the expedition to the remains of the Canal of the Pharaohs, built by Necho II between the River Nile and the Gulf of Suez and improved by Ptolemy II, he was commissioned by Bonaparte to edit an account of the Canal. He was made a member of the Institut d'Égypte on 22 August 1798, in the mathematics section. With his brother Gratien and other engineers working alongside them, he carried out three building programmes (from 19 January to 5 February 1799, in September 1799, and finally in November to December 1799) to measure the levels of the isthmus, in difficult conditions due to Bedouin attacks and the lack of water. In the rain, he concluded that there was a 9 m difference between the levels of the Mediterranean and Red Sea, an er ...
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French Campaign In Egypt And Syria
The French invasion of Egypt and Syria (1798–1801) was a military expedition led by Napoleon Bonaparte during the French Revolutionary Wars. The campaign aimed to undermine British trade routes, expand French influence, and establish a scientific and administrative presence in Egypt. Napoleon also sought to sever Britain's connection to its colonial holdings in India, with the long-term ambition of challenging British dominance in the region. Departing from Toulon in May 1798, Napoleon’s fleet, comprising around 36,000 troops, landed in Alexandria on 28 June. Advancing rapidly, he defeated the ruling Mamluks at the Battle of the Pyramids, securing control of Cairo and establishing a French administration. The campaign, however, was soon compromised by the destruction of the French fleet at Aboukir Bay by Horatio Nelson, which cut off French reinforcements and supplies. French rule faced resistance, including the Cairo uprising (1798), which was suppressed with si ...
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Levelling
Levelling or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum. It is widely used in geodesy and cartography to measure vertical position with respect to a vertical datum, and in construction to measure height differences of construction artifacts. In photolithography, the same term is used in a lithography machine calibration step measuring or calibrating wafer surface height with respect to a reference. Optical levelling Optical levelling, also known as spirit levelling and differential levelling, employs an '' optical level'', which consists of a precision telescope with crosshairs and stadia marks. The cross hairs are used to establish the level point on the target, and the stadia allow range-finding; stadia are usually at ratios of 100:1, in which case one metre between the stadia marks on the '' level staff'' (or ''rod'') represents ...
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Suez Isthmus
The Isthmus of Suez is the land bridge"Suez Canal."Encyclopædia Britannica
Accessed April 2014.
that lies between the and the , east of the , the boundary between the

French Civil Engineers
French may refer to: * Something of, from, or related to France ** French language, which originated in France ** French people, a nation and ethnic group ** French cuisine, cooking traditions and practices Arts and media * The French (band), a British rock band * "French" (episode), a live-action episode of ''The Super Mario Bros. Super Show!'' * ''Française'' (film), a 2008 film * French Stewart (born 1964), American actor Other uses * French (surname), a surname (including a list of people with the name) * French (tunic), a type of military jacket or tunic * French's, an American brand of mustard condiment * French (catheter scale), a unit of measurement * French Defence, a chess opening * French kiss, a type of kiss See also * France (other) * Franch, a surname * French Revolution (other) * French River (other), several rivers and other places * Frenching (other) Frenching may refer to: * Frenching (automobile), recessing or mou ...
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French Topographers
French may refer to: * Something of, from, or related to France ** French language, which originated in France ** French people, a nation and ethnic group ** French cuisine, cooking traditions and practices Arts and media * The French (band), a British rock band * "French" (episode), a live-action episode of ''The Super Mario Bros. Super Show!'' * ''Française'' (film), a 2008 film * French Stewart (born 1964), American actor Other uses * French (surname), a surname (including a list of people with the name) * French (tunic), a type of military jacket or tunic * French's, an American brand of mustard condiment * French (catheter scale), a unit of measurement * French Defence, a chess opening * French kiss, a type of kiss See also * France (other) * Franch, a surname * French Revolution (other) * French River (other), several rivers and other places * Frenching (other) * Justice French (other) Justice French may refer to: * C. G. ...
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1769 Births
Events January–March * February 2 – Pope Clement XIII dies, the night before preparing an order to dissolve the Jesuits.Denis De Lucca, ''Jesuits and Fortifications: The Contribution of the Jesuits to Military Architecture in the Baroque Age'' (BRILL, 2012) pp315-316 * February 17 – The British House of Commons votes not to allow MP John Wilkes to take his seat after he wins a by-election, on the grounds that he was an outlaw when standing. * March 4 – Mozart departs Italy, after the last of his three tours there. * March 16 – Louis Antoine de Bougainville returns to Saint-Malo, following a three-year circumnavigation of the world with the ships '' La Boudeuse'' and '' Étoile'', with the loss of only seven out of 330 men; among the members of the expedition is Jeanne Baré, the first woman known to have circumnavigated the globe. She returns to France some time after Bougainville and his ships. April–June * April 13 – Jam ...
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