4. 1922: The first airshow in the Soviet Union, called the Moscow Aviation Exhibition, took place. It showcased the achievements of the Soviet aviation industry. 5. 1933: The world-famous Cleveland National Air Races began in the United States, attracting thousands of spectators annually. The event featured air races, stunt flying, and other aerial displays. 6. 1936: The Royal Air Force (RAF) Hendon Air Pageant started in London, England. It became an annual airshow and continued until the outbreak of World War II. It was revived in 1964 at RAF Mildenhall as the Royal International Air Tattoo.