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.
After the attachment of rubber pontoons, the VS-300 made the worldâs first helicopter water landings on April 17, 1941. On May 6, Igor Sikorsky piloted the VS-300 to establish the International Helicopter Endurance record of 1 hour, 32 minutes and 26 seconds.