On 4 June 1783, the Montgolfier brothers flew the balloon for the first time is a public demonstration at Annonay in front of a group of dignitaries. Its flight covered 2 km, lasted 10 minutes, and had an estimated altitude of 1.600 - 2.000m. "She silently soars, the great vessel in the sky. She is flying upon the wind. The air around is still and tranquil. Our view sweeps onto the horizon,...