#Onthisday in 1919, KLM (Koninklijke Luchtvaart Maatschappij N.V., or KLM Royal Dutch Airlines) was founded. The company is the oldest airline in the world still operating under its original name. On May 17, 1920, KLM operated its first flight from London to Amsterdam. The airline now services over 145 destinations worldwide. Have you ever flown on KLM? Image: KLM (Royal Dutch Airlines) poster, Lockheed L-049 Constellation, c. 1950 (reproduced c. 1990). Gift of KLM Royal Dutch Airlines. 1996.47.02 This image was posted on October 07, 2020.