Igor Sikorsky in 1913
I believe it was Igor I. Sikorsky 'Le Grand' to be the worlds first four-engine aircraft.
Igor Sikorsky designed and flew the first 4-engine aircraft named LeGrand.
The world's first four-engine aircraft was the Caproni Ca.4, designed by Italian aviation pioneer Giovanni Battista Caproni. It made its first flight in 1914 and was primarily used during World War I. Caproni's innovative design allowed for greater payload capacity and improved range compared to earlier aircraft, marking a significant advancement in aviation technology.
bell aircraft company
The worlds first Turboprop engine was designed in 1928 by a mechanical engineer named Gyorgy Jendrassik. He patented the engine in 1929 and in 1938 built a small scale prototype.
Elizabeth Macgill designed her first aircraft in the University of Toronto, Canada.
Léon Levavasseur designed the first v8 engine in 1902 and named it Antoinette. The Antoinette company became incorporated in 1906 and made engines primarily for aircraft. The first vehicle using a v8 engine that was mass produced was introduced by Cadillac in 1914.
In 1848 John Stringfellow made a steam engine that was able to carry a model aircraft. The earliest aircraft engine capable of powering a passenger plane was made in 1906 by Leon Levavasseur. The first mass produced aircraft engine was made in 1908 by Gnome Omega.
The ancient Egyptians made the pyramids
de Havilland Comet, which entered commercial service in 1952
Battle of the Coral Sea; worlds first clash of aircraft carriers.
The British ship HMS Hermes was the first ship designed and built as an aircraft carrier. She was commissioned in 1924. The Japanese ship Hosho was the first converted aircraft carrier in 1922.