In 1933, Chicago hosted its second World’s Fair in 40 years to celebrate its centennial. It was titled “A Century of Progress International Exposition.” The first World’s Fair was held in 1893 under ...
Found And Explained on MSN
40 Biggest Never Built Aircraft Concepts
From nuclear-powered 747s to flying submarines, the history of aviation is full of designs that pushed the limits of imagination. These 40 concepts promised to change the skies forever – but never ...
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