Eufaula, Alabama. Eufaula is the largest city in Barbour County, Alabama, United States.
Leonardo da Vinci (1452â1519) is generally credited with inventing the helicopter, but the first practical design was developed only in the 1930s by Russian-born Igor Sikorsky (1889â1972). Today, typical uses for helicopters include military transportation and air-sea rescue.eonardo da Vinci (1452â1519) is generally credited with inventing the helicopter, but the first practical design was developed only in the 1930s by Russian-born Igor Sikorsky (1889â1972). Today, typical uses for helicopters include military transportation and air-sea rescue.
Gustave Whitehead invented and flew the  world's first airplane in 1901, at Fairfield, CT. His monoplane,  called No. 21 or the Condor, was based on Count D'Esterno's and  Otto Lilienthal's designs.he first official airplane hop was in 1890, but the idea has been around since Da Vinci. Also, the first jet flight was in 1939, but the Germans only started using them in 1944. i don't know when it was invented. What about you.