9-1-1 becomes the offical national emergency telephone number in the United States
The powdered drink mix Kool-Ade is invented
Julius Caesar is assassinated by members of the Roman Senate
Levi Spear Parmly is credited with inventing dental floss. It is originally made of silk
The United Nations estimates the Earth's population at five billion
Oil is discovered in Texas
Blackbeard the Pirate dies in a battle with British Royal Navy
William Hamley opens a toy store in London, England. It later becomes Hamley's, one of the largest toy stores in the world.
NASA launches the world's first successful weather satellite. It transmits the first photos of Earth from space
The city of Baghdad is founded
The first incubator for premature babies is patented. It is created by a zookeeper and originally used for baby birds
The government of Persia formally requests all other countries call Persia by its native name, Iran
The animated series SpongeBob Squarepants debuts on television
Annie Moore becomes the first immigrant registered at Ellis Island. She is 15-years-old and from County Cork, Ireland
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