Multiple choice general knowledge history "Craydon" was the first of its kind built on the outskirts of London. What is it ? First Bus Terminus First Railways First airport First Space Center Reveal answer Fill a bubble to check yourself C Correct answer Explanation Croydon Airport was indeed the first airport in London, opened in 1920. It was originally called 'Croydon Aerodrome' and served as London's main airport until World War II. The spelling in the question appears to be a minor variant.