CrossWords.
The first crossword was invented by the editor of an American newspaper in 1913.
Crosswords are now published on many of the world's leading newspapers.
Invention of Electro Magnetism.
Magnetism is a force that acts between certain objects called magnets. It is an important force in nature. Electromagnets were invented by an English electrician named William Sturgeion in 1825 A.D .
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