Reddit was listed for the first time on the New York Stock Exchange.
Game of Thrones star Emilia Clarke shared her experience of fighting for her life after suffering two brain aneurysms during filming.
A woman in Bangladesh gave birth to twins one month after giving birth previously.
Aaron Carpenter swam with dolphins for the first time.
Europe's Planck spacecraft found evidence that our universe is 13.8 billion years old.
The world's largest postage stamp was released.
The first-ever Tweet was published on Twitter.
After seventy-five years of South African rule, Namibia finally gained its independence.
Central Park designated a section of its grounds as 'Strawberry Fields' to commemorate John Lennon, who was shot dead in his nearby residence.
Earth Day is celebrated for the first time.
The inaugural San Diego Comic-Con comic book convention took place.
Alcatraz prison in San Francisco Bay closed its gates for good.
Glen Bell opened the very first Taco Bell restaurant, in Downey, California.
South African police officers opened fire on a group of peaceful protestors, killing 69 people.
The world's first rock and roll concert is held in Cleveland, Ohio.
A plot to assassinate Adolf Hitler by suicide bomb fails.
English Novelist George Eliot completed her famous book called 'The Mill on the Floss.'
The First Zoological Society in the US was formed in Philadelphia.
Between 100 and 3000 Jews were killed in riots in The Erfurt Massacre in the town of Erfurt, Germany.
