why was the first one constructed?
To honour those who fought and died for France in the French Revolutionary and Napoleonic Wars.
Arc de Triomphe
The Arc de Triomphe honours those who fought and died for France in the French Revolutionary and Napoleonic Wars, with the names of all French victories and generals inscribed on its inner and outer surfaces. 
mathematical concepts used in construction of gateway of india Yes, its arch has a height of with its central dome being in diameter. why was it built? t was erected to commemorate the landing of King-Emperor George V and Queen-Empress Mary. when? December 1911 who designed it? George Wittet what are his other designs? UNANSWERABLE what are its architectural features? Intricate stone latticework, elements of the Roman triumphal arch and 16th-century architecture of Gujarat. what are the examples of the second feature mentioned? Arc de Triomphe in Paris, the Narva Triumphal Arch in Saint Petersburg, the Wellington Arch in London
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Arc de Triomphe [SEP] Introduction
The smaller transverse vaults are high and wide. Three weeks after the Paris victory parade in 1919 (marking the end of hostilities in World War I), Charles Godefroy flew his Nieuport biplane under the arch's primary vault, with the event captured on newsreel. Paris's Arc de Triomphe was the tallest triumphal arch until the completion of the Monumento a la Revolución in Mexico City in 1938, which is high. The Arch of Triumph in Pyongyang, completed in 1982, is modelled on the Arc de Triomphe and is slightly taller at . La Grande Arche in La Défense near Paris is 110 metres high.