The first stone was laid by the bishop of Marseille, Monseigneur de Mazenod, on September 11, 1853. Work began but financial problems quickly developed because the foundations had to be laid in very hard rock. In 1855, the government authorized a lottery, but this produced less revenue than anticipated. The financial shortfall grew larger when the sanctuary commission decided to enlarge the crypt to run not only under the choir, but to extend under the entire higher vault. In spite of a loan secured by the personal assets of the bishop, building stopped from 1859 to 1861, the year of Mazenod's death. The new bishop, , arrived at the end of August in 1861, and resumed work. The generosity of citizens of all religions and all social positions allowed completion of the work, from the Emperor Napoleon III and the Empress Eugénie, who visited Notre Dame de la Garde on September 9, 1860, to the poorest of Marseillais. The sanctuary was dedicated on Saturday June 4, 1864 by the Cardinal of Villecourt, a member of the Roman curia, in the presence of forty-three other bishops. In 1866, mosaic flooring was laid in the upper church and the square bell tower was finished; the bell was installed in October of the same year.