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  Theodore Roosevelt is inaugurated into office. He succeeded Willian McKinley, who was assassinated that day.
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  Engineer Willis Haviland Carrier invents air conditioning
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  Act that passed the House of Representatives which regulated the sale of food that was considered harmful.
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  One of the most technologically advanced and luxurious ships of its time sinks in the North Atlantic Ocean.
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  Austria-Hungary declares war on Serbia after the assassination of Archduke Francis Ferdinand.
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  Germany sinks Lusitania on its way to Liverpool, England. Killing over a hundred Americans.
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  America enters World War I and declares war on Germany after attempting to remain neutral.
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  The KDKA becomes the world's first radio station, broadcasting from Pittsburgh, Pennsylvania.
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  One of the deadliest hurricanes in American history devastates Galveston, Texas.