American pop singer Ariana Grande joined YouTube at 13 years old.
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A medical paper on smallpox was published in Boston, making it the first medical publication in American history.
The Flag of Quebec was adopted and flown for the first time over the National Assembly of Quebec.
The Power of Symphony by William Hill Brown became the first novel published in America.
The first Star Trek convention was held in New York City.
Hundreds of thousands of Americans who evaded the Vietnam War were pardoned by President Jimmy Carter.