Swissair Flight 111 crashes near Peggy's Cove, Nova Scotia; all 229 people on board are killed.

Swissair Flight 111 (SR111/SWR111) was a scheduled international passenger flight from John F. Kennedy International Airport in New York City, United States, to Cointrin Airport in Geneva, Switzerland. The flight was also a codeshare flight with Delta Air Lines. On 2 September 1998, the McDonnell Douglas MD-11 performing this flight, registration HB-IWF, crashed into the Atlantic Ocean southwest of Halifax Stanfield International Airport at the entrance to St. Margarets Bay, Nova Scotia, Canada. The crash site was 8 kilometres from shore, roughly equidistant from the small fishing and tourist communities of Peggy's Cove and Bayswater. All 215 passengers and 14 crew members on board the plane were killed, making the crash the deadliest accident in the history of Swissair and the deadliest accident involving the McDonnell Douglas MD-11. It is also the second-deadliest aviation accident to occur in Canada, behind Arrow Air Flight 1285R.

Peggy's Cove is a small rural community located on the eastern shore of St. Margarets Bay in the Halifax Regional Municipality, which is the site of Peggys Cove Lighthouse.