emergency measure, merging the cities of Manila and Quezon City, along with the municipalities of Caloocan, Las Piñas, Mariquina, Pasig, Parañaque, Malabon, Navotas, San Juan del Monte, San Pedro de Macati, San Felipe Neri, Muntinlupa and the Taguig-Pateros area. Jorge Vargas was appointed as its mayor. Mayors in the cities and municipalities included in the City of Greater Manila served as vice mayors in their town. This was in order to ensure that Vargas, who was Quezon's principal lieutenant for administrative matters, would have a position of authority recognized under international military law. The City of Greater Manila was abolished by the Japanese with the formation of the Philippine Executive Commission to govern the occupied regions of the country. The City of Greater Manila served as a model for the present-day Metro Manila and the administrative functions of the Governor of Metro Manila that was established during the Marcos administration. Creation of the National Capital Region On November 7, 1975, Metro Manila was formally established through Presidential Decree No. 824. The Metropolitan Manila Commission was also created to manage the region. On June 2, 1978, through Presidential Decree No. 1396, the metropolitan area was declared the National Capital Region of the Philippines. When Metro Manila was established, there were four cities, Manila, Quezon City, Caloocan, Pasay and the thirteen municipalities of Las Piñas, Makati, Malabon, Mandaluyong, Marikina, Muntinlupa, Navotas, Parañaque, Pasig, San Juan, Taguig, Valenzuela and Pateros. At present, all but one of these municipalities have become independent chartered cities; only Pateros still remains as a municipality. President Ferdinand Marcos appointed his wife, First Lady Imelda Marcos, as the first governor of Metro Manila. She launched the City of Man campaign. The Cultural Center of the Philippines Complex, Metropolitan Folk Arts Theater, Philippine International Convention Center, Coconut Palace and healthcare facilities such as the Lung Center of the Philippines, Philippine Heart Center, and the Kidney Center of the Philippines are all constructed precisely for this purpose. President Marcos was overthrown in a non-violent revolution along EDSA, which lasted four days in late February 1986. The popular uprising, now known as the People Power Revolution, made international headlines as "the revolution that surprised the world". In 1986, President Corazon Aquino issued Executive Order No. 392, reorganizing and changing the structure of the Metropolitan Manila Commission and renamed it to the Metropolitan Manila Authority. Mayors in the metropolis chose from among themselves