Historical timeline for October 27

Islamic State of Iraq and the Levant founder and leader Abu Bakr al-Baghdadi kills himself and three children by detonating a suicide vest during the U.S. military Barisha raid in northwestern Syria.

A gunman opens fire on a Pittsburgh synagogue killing eleven and injuring six, including four police officers.

Leicester City F.C. owner Vichai Srivaddhanaprabha dies in a helicopter crash along with four others after a Premier League match against West Ham United at the King Power Stadium in Leicester, England.

Catalonia declares independence from Spain.

Britain withdraws from Afghanistan at the end of Operation Herrick, after 12 years four months and seven days.

Gunmen open fire in the Armenian Parliament, killing the Prime Minister and seven others.

The 1997 Asian financial crisis causes a crash in the Dow Jones Industrial Average.

Gliese 229B is the first Substellar Mass Object to be unquestionably identified.

Widerøe Flight 744 crashes in Overhalla Municipality, Norway, killing six people.

United States Navy radioman Allen R. Schindler, Jr. is murdered by shipmate Terry M. Helvey for being gay, precipitating debate about gays in the military that results in the United States' "Don't ask, don't tell" military policy.

Turkmenistan achieves independence from the Soviet Union.

Cold War: Ronald Reagan suspends construction of the new U.S. Embassy in Moscow due to Soviet listening devices in the building structure.

The British government suddenly deregulates financial markets, leading to a total restructuring of the way in which they operate in the country, in an event now referred to as the Big Bang.

Cold War: The Soviet submarine S-363 runs aground on the east coast of Sweden.

The Chun Doo-hwan government forcibly arrests and investigates monks and personnel of the Jogye Order.

Saint Vincent and the Grenadines gains its independence from the United Kingdom.

The Democratic Republic of the Congo is renamed Zaire.

Ronald Reagan delivers a speech on behalf of the Republican candidate for president, Barry Goldwater. The speech launches his political career and comes to be known as "A Time for Choosing".

By refusing to agree to the firing of a nuclear torpedo at a US warship, Vasily Arkhipov averts nuclear war.

Major Rudolf Anderson of the United States Air Force becomes the only direct human casualty of the Cuban Missile Crisis when his U-2 reconnaissance airplane is shot down over Cuba by a Soviet-supplied surface-to-air missile.