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.
  1896 The helicopter was first invented in 1907.   1900 The firs â¦ t helicopter was made in 1939 be Igor Sikorsky the model was a VS-300. Experimental helicopters existed in the 1920s. The first unit designated practical military helicopters used in combat was the Korean War (1950-53).n the 1400's Leonardo invented the idea of a helicopter. In 1906 Paul Cornu got a helicopter to hover 3 feet off the ground, but it would not go anywhere. In the 1940's â¦ Igor Sikorsky invented a helicopter that would safely fly and hover.