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Internationalと言っても、London 〜 Parisですが... まぁ、プロペラ機ですし、定期運行というのが肝ですね！
(CNN) — On August 25, 1919, the first regular international passenger air service took place between London and Paris.
This fledgling flight, operated by Air Transport & Travel Ltd (AT&T) -- a forerunner of British Airways (BA) -- took off from Hounslow Heath, not far from what's now Heathrow Airport, the British aviation hub where some 80 million passengers took to the skies in 2018.
Clearly, international flights have changed a lot in the past 100 years, so let's take a look back at where it all began.