May 10: Konstantin Eduardovitch Tsiolkovsky (Russian Rocketry Pioneer) created his calculations about space flight theory.

June 20: Percy Pilcher is towed about 750 feet in the Hawk, the fourth of his hang gliders.

November 3: The 1st all-metal rigid airship is tested in Germany. It uses wafer-thin aluminum, a major innovation, but crashes soon after taking off.