Russia 🇷🇺 @Russia
📆 In May 1913 the world’s first four-engine aircraft dubbed the «Russky Vityaz» (i.e. «Russian Knight») designed by the legendary Igor #Sikorsky completed its maiden flight. 🛩 This revolutionary aeroplane opened a new weight category in aviation - heavy aircraft 🏋️ https://t.co/IsrDYkBoPO — PolitiTweet.org