Nigeria Airways Flight 2120 crashes in Jeddah, Saudi Arabia killing all 261 passengers and crew on board.

Nigeria Airways Flight 2120 was a chartered passenger flight from Jeddah, Saudi Arabia, to Sokoto, Nigeria, on 11 July 1991, which caught fire shortly after takeoff from King Abdulaziz International Airport and crashed while attempting to return for an emergency landing, killing all 247 passengers and 14 crew members on board. The aircraft was a Douglas DC-8 operated by Nationair Canada for Nigeria Airways. Flight 2120 is the deadliest accident involving a DC-8 and remains the deadliest aviation disaster involving a Canadian airline.