Claudius Amyand performed the first recorded appendectomy at St George’s Hospital in London.
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The Anglo-Irish Treaty was signed.
James Cameron's Avatar: The Way of the Water premiered in London.
Hasbro was founded as Hassenfeld Brothers in Providence, Rhode Island.
Taylor Swift was named Time Magazine's Person of the Year.
US President Abraham Lincoln ordered the hanging of 39 Santee Sioux Indians.