<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2017) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> Arc de Triomphe </Th> </Tr> <Tr> <Td_colspan="2"> The Arc de Triomphe in western Paris </Td> </Tr> <Tr> <Td_colspan="2"> Location within Paris </Td> </Tr> <Tr> <Td_colspan="2"> Wikimedia © OpenStreetMap </Td> </Tr> <Tr> <Th> Alternative names </Th> <Td> Arc de Triomphe de l'Étoile </Td> </Tr> <Tr> <Th_colspan="2"> General information </Th> </Tr> <Tr> <Th> Type </Th> <Td> Triumphal Arch </Td> </Tr> <Tr> <Th> Architectural style </Th> <Td> Neoclassicism </Td> </Tr> <Tr> <Th> Location </Th> <Td> Place Charles de Gaulle (formerly Place de l'Étoile) </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 48 ° 52 ′ 26" N 2 ° 17 ′ 42" E ﻿ / ﻿ 48.8738 ° N 2.2950 ° E ﻿ / 48.8738; 2.2950 Coordinates: 48 ° 52 ′ 26" N 2 ° 17 ′ 42" E ﻿ / ﻿ 48.8738 ° N 2.2950 ° E ﻿ / 48.8738; 2.2950 </Td> </Tr> <Tr> <Th> Construction started </Th> <Td> 15 August 1806 </Td> </Tr> <Tr> <Th> Inaugurated </Th> <Td> 29 July 1836 </Td> </Tr> <Tr> <Th> Height </Th> <Td> 50 m (164 ft) </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th> Other dimensions </Th> <Td> Wide: 45 m (148 ft) Deep: 22 m (72 ft) </Td> </Tr> <Tr> <Th_colspan="2"> Design and construction </Th> </Tr> <Tr> <Th> Architect </Th> <Td> Jean Chalgrin, Louis - Étienne Héricart de Thury </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Arc de Triomphe </Th> </Tr>

When did the arc de triomphe start getting built