Selena Gomez achieved a world record for being the first person to reach 100 million followers on Instagram.
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Los Angeles Judge approved Caitlyn Jenner to change her name from Bruce and her gender to female.
The Battle of Stamford Bridge occurred between the English army and a Norwegian force.
The first printing press was set up in New England, US.
China finished building the world's largest radio telescope at 1,640 feet (500 meters) long.
Henry Ford changed employees' working schedules to 8-hour days, 5 days a week.
