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.
Researcher throws light on Shivkar Talpade of Mumbai, who relied on ancient text 'Vaimanikprakarnm' to build model aircraft. The Wright brothers, Orville and Wilbur, are acknowledged to have invented and built the worldâs first successful airplane and made the first controlled, powered and sustained flight in 1903.