Today in 1929, James Harold Doolittle completed the first aviation flight using only an aircraft's instrumentation. The aircraft he flew in had no windows, granting him no vision outside of the cockpit. Doolittle was the first person to theorize that an aircraft could be flown through low-vision situations if a pilot learned to trust their instruments over their senses. Shortly after, Doolittle helped develop the artificial horizon and directional gyroscope, both of which are now standard aviation equipment.
Today in 1919, aviators John Alcock and Arthur Brown began the first non-stop transatlantic flight, departing from St. John's, Newfoundland and arriving in Clifden, Connemara, County Galway, Ireland. They did so in a modified First World War Vickers Vimy, a British heavy bomber. Additionally they brought with them several pieces of mail, also making their flight the first non-stop transatlantic airmail flight. The flight lasted 15 hours and 57 minutes. Image Credit: Connemara.net