The De Havilland Comet was the world's first jet airliner
Pan Am inaugurated its New York-London route with a Boeing 707 on October 26, 1958
Aeroflot began the world's first sustained jet airline service using Tupolev Tu-104 'Camel' jets on an extensive internal route network from the summer of 1955. The Tu-104 saw service until the mid-1970s
Sursa: Century-of-flight.net