September 11: Facts & Historical Events On This Day

NASA revealed that water vapor was discovered in the atmosphere of an Earth-size planet, the exoplanet K2-18b.

K2-18b is a super-Earth about 111 light-years away from our solar system. It was discovered in 2015 by NASA's Kepler spacecraft. Astronomers say it's "the best candidate for habitability that we know right now."

The category 5 hurricane Irma began dissipating, but the disaster left millions without electricity in Florida and Georgia.

The science-fiction movie “The Martian,” starring Matt Damon, premiered in Toronto, Canada.

Two planes crashed into the World Trade Towers in New York City.

On this day, four terrorist attacks by al-Qaeda were performed in the United States. Almost 3,000 lives were lost, more than 20,000 people were injured, and $10 billion in damages was caused. The 9/11 attacks became the worst terror attack in history.

A Faucett Perú 727 airliner disappeared without a trace off the coast of Newfoundland, Canada.

Janet Parker became the last person to die of smallpox in Birmingham, United Kingdom.

During the 20th Century, the smallpox virus killed around 300 million people in total.

The video game console Atari 2600 was released.

The Atari 2600 was initially branded as the Atari Video Computer System until November 1982.

Florence Chadwick became the first female to swim across the English Channel and back.

As part of her training, she endured a grueling 10-hour swim in the Persian Gulf. She broke the world record English Channel swim in 16 hours and 22 minutes on this day.

The popular children’s book “Five on a Treasure Island” featuring the “Famous Five,” written by Enid Blyton, was published.

Nahalal, the first moshav in modern-day Israel, was settled.

President George Washington appointed Alexander Hamilton as the first Secretary of the US Treasury.

US Founding Father, Benjamin Franklin, wrote, “There never was a good war or a bad peace,” in a letter to Josiah Quincy.

The Destruction of Santiago occurred when the Spanish conquistadors and the Mapuche-Picunche tribes had a confrontation.

Santiago, Chile's capital, was destroyed when around 10,000 natives came from the forests to attack the city, which the Spanish colonials had taken. Although the Spanish only lost two men and 15 horses, almost all men were injured. The worst loss was when half the town burned to the ground from a fire caused by the natives.

The English were defeated at the Battle of Stirling Bridge.

The battle was initiated by Scottish rebels William Wallace and Andrew Moray against John de Warenne, 6th Earl of Surrey, and was the First War of Scottish Independence.