Mark Zuckerberg founded the social networking website Facebook.
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Doctors in New York successfully performed the world's first face and double hand transplant.
Dr. John J. Livingood reported the first synthetic production of a natural form of radium.
The US Military shot down a Chinese high-altitude surveillance balloon.
The first Mormon Pioneers left their homes in Nauvoo, Illinois, and began the long trek to the Salt Lake Valley.
American religious leader Mary Baker Eddy was allegedly cured of her spinal injury by reading The Bible.
