Zaire Province a vassal state of the Kingdom of Portugal. In 1914, the Kongo monarchy was abolished after Portuguese suppression of several revolts. From 1885, Portuguese Angola included the district of Congo, which was split in 1919 into the districts of Cabinda and Zaire, respectively north and south of the Congo/Zaire River. During the 1961–1974 Angolan War of Independence, a large fraction of the Bakongo fled to the Republic of Zaire. Many of these refugees and their offspring returned after the Alvor Agreement recognised Angolan independence. Historical and cultural monuments include: M'Banza Congo (formerly São Salvador do Congo) is the provincial capital.
27th Special Operations Group 27th designation has been assigned to several groups and wings at a myriad of locations. The 27th was organized as a fighter wing in August 1947, at Kearney Airfield, Nebraska. Later, in February 1958, in a move to preserve the heritage of the 27th, Air Force leadership transferred the designation to Cannon, replacing the 312th Wing. Since 1958, the wing had supported F-100s, T/AT-33s, F-111s and F-16s. The 27th Operations Group was re-designated as the 27th SOG on 1 October 2007. 27th Special Operations Group The 27th Special Operations Group (27 SOG) is the flying component of the 27th Special