Since the sport’s first professional game was played in 1869, the history of baseball has been filled with memorable moments both triumphant and tragic. Often, these moments reflect the history and spirit of America itself.

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You can never have too many pockets, but we used to not have them at all. As clothing evolved from simple to complex, pockets, some of them specialized, evolved right along with it, changing shape, size, and function through the years. 

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Professor Knowledge gives us 5 Inventions That Came Out of the Great Depression.

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Professor Knowledge gives us 5 Dizzying Facts About the History of Alcohol.

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Professor Knowledge Reveals Facts About 5 Celebrated Painters.

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