2017-10-19

Canadian astronomer Robert Weryk discovered ʻOumuamua (depicted), the first known interstellar object detected passing through the Solar System.

British YouTube collective the Sidemen were formed as a Rockstar Games Social Club group in Grand Theft Auto Online.

Hurricane Wilma (pictured) became the most intense Atlantic hurricane on record with a minimum atmospheric pressure of 882 mbar (26.05 inHg).

The British government restricted the broadcast of the voices of representatives from Sinn Féin and several Irish republican and loyalist paramilitary groups on television and radio.

Iran–Iraq War: U.S. Navy forces destroyed two Iranian oil platforms in the Persian Gulf in response to an Iranian missile attack on a Kuwaiti oil tanker three days earlier.

The Dow Jones Industrial Average fell by 22.6 percent on Black Monday, the largest one-day percentage decline in the stock market index's history.

A group of ethnic Hutu military officers failed in their attempt to overthrow the Burundian government.

Vietnam War: The Siege of Plei Me began with the first major confrontation between soldiers of the North Vietnamese Army and the U.S. Army.

At a meeting of its general assembly, the European Broadcasting Union approved the staging of the first Eurovision Song Contest.

The Guatemalan Revolution began with a small group of army officers led by Francisco Javier Arana and Jacobo Árbenz launching a coup against dictator Jorge Ubico.