A patent for his electric lamp invention was given to Thomas Edison.
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President Donald Trump banned citizens of seven countries from entering the US.
Steve Jobs announced the Apple iPad, the company's most advanced piece of technology at the time.
The theory of Wave Mechanics by physicist Erwin Schrödinger was first taught in lectures.
Scottish schoolmaster Dr. John Fian who had 'a pact with the devil,' was found guilty of witchcraft.
The Outer Space Treaty was signed to prevent the use of nuclear weapons being utilized in space.
