1847-1931: Thomas Edison. First light bulb, first phonograph, and motion picture camera.
1865: First Ambulance service. Made in Cleveland, Ohio.
1871: Orville Wright born in Dayton, Ohio. First flight was in 1903.
1879: First cash register, made by James J. Ritty, made in Dayton, Ohio.
1914: First traffic light made in Cleveland, Ohio.
1959: Ermal Fraze invented the pop-top can in Kettering, Ohio.
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