Climate activist Greta Thunberg was named Time magazine’s Person of the Year.
Source
Indiana became the 19th state to join the United States of America.
The final Apollo mission, Apollo 17, successfully landed on the moon.
Time magazine called Susan Sontag 'one of Manhattan's brightest intellectuals' in a review of her groundbreaking essay 'Notes on Camp.'
A trial for Huntington's disease procured positive results.
Tiger Woods announced his indefinite leave from professional golf to focus on his marriage.