National Geographic : 1937 Jun
00 Photograph byHugo Brehme SEAT OF MEXICO'S GOVERNMENT, THE NATIONAL PALACE OCCUPIES PART OF THE SITE OF MONTEZUMA'S HUGE, RAMBLING RESIDENCE Cortez here appropriated one of the Aztec ruler's palaces and built his own headquarters, portions of which still exist. The structure has been frequently altered; its upper floor was not added until 1927. Here ruled Spain's viceroys, the spectacular native emperor Agustin de Iturbide,the ill-fated Maximilian, and successive Presidents of the Republic. Above the central doorway is the Mexican Liberty Bell, rung by the priest Hidalgo at Dolores in 1810tosummon patriots tofight for independence from Spain. Annually on September 15, in this wide square called the Z6calo (page 724), Mexico's President leads throngswho shout asHidalgo did after he sounded the bell.