The Monument to the Revolution (Spanish: Monumento a la Revolución) is a landmark and monument commemorating the Mexican Revolution. It is located in the Plaza de la República, near to the heart of the major thoroughfares Paseo de la Reforma and Avenida de los Insurgentes in downtown Mexico City.
The building was initially planned as the Palacio Legislativo Federal (Federal Legislative Palace) during the regime of president Porfirio Díaz and "was intended as the unequaled monument to Porfirian glory."The building would hold the congressional chambers of the deputies and senators, but the project was not finished due to the Mexican Revolutionary War. Twenty-five years later, the structure was converted into a monument to the Mexican Revolution by Mexican architect Carlos Obregón Santacilia. The monument is considered the tallest triumphal arch in the world, standing 67 metres (220 ft) in height. Porfirio Díaz appointed a French architect, Émile Bénard to design and construct the palace, a neoclassical design with "characteristic touches of the French renaissance," showing government officials' aim to demonstrate Mexico's rightful place as an advanced nation. Díaz laid the first stone in 1910 during the centennial celebrations of Independence, when Díaz also inaugurated the Monument to Mexican Independence ("The Angel of Independence"). The internal structure was made of iron, and rather than using local Mexican materials in the stone façade, the design called for Italian marble and Norwegian granite.