Corner stone was laid by Napoleon I August 15, 1806, in commemoration of the campaign of the Grand Army. Work was suspended on the structure on the downfall of Napoleon and was not completed until 1836 under Louis Phillipe. It is 152 feet high, 138 feet wide, 68 feet deep. Upon the arch is inscribed the names of 96 of Napoleon's victories and 384 of his generals. Cost $2,000,000.