The Soviet Union expelled Leon Trotsky, who went into exile in Turkey
World War I: The Paris Peace Conference opened in Versailles, France
Birth of Jacob Bronowski, Polish-born British mathematician, physicist and poet.
Welsh doctor William Price cremated the body of his infant son, Jesus Christ Price, setting a legal precedent for cremation in the UK
Birth of Daniel Hale Williams, American physician and pioneering heart surgeon who founded Provident Hospital, Chicago.