BOAC Flight 777-A was a scheduled British Overseas Airways Corporation civilian airline flight from Portela Airport in Lisbon , Portugal to Whitchurch Airport near Bristol , England .

The Portuguese Colonial War ( ) , also known Know in Portugal as the Overseas War ( ) or in the former colonies as the War of Liberation ( ) , was fought Hostile_encounter between Portugal 's military and the emerging nationalist movements in Portugal 's African colonies between 1961 and 1974 .