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.
Then, in 1878, an exciting first. Italian Enrico Forlanni built an unmanned, steam powered model that was able to take off vertically, rise to a height of nearly 40 feet (12 meters) and hover for almost 20 seconds. Model, unmanned and brief, but it was the first helicopter to achieve flight.