Terrorist attacks in Paris. A series of coordinated terrorist attacks that included suicide bombs and mass shootings took place in France's capital city. Venues attacked included the Stade de France and the Bataclan theater during a concert. The Islamic State of Iraq and Syria (ISIS), also known as the Islamic State of Iraq and the Levant or Daesh (ISIL) took responsibility for the attacks that killed about 130 people.

Sweden votes to join EU. The referendum passed with over 50% of Swedish citizens voting to join the European Union. The Nordic country officially joined the EU on January 1, 1995.

Armero tragedy. The late evening eruption of the Nevado del Ruiz volcano in Colombia caused volcanic mudflows, called lahars, and flooded the city of Armero, killing 25,000 of its residents. The Armero tragedy is considered to be one of the deadliest volcano related disasters in the 20th century.

Assassination of Carlos Delgado Chalbaud. The Venezuelan president and head of the military Junta was kidnapped and killed by rebels headed by Rafael Simón Urbina. Chalbaud came to power after a coup against Rómulo Gallegos in 1948.

Bloody Sunday in London. Protests by poor and unemployed Londoners over their hardships in Trafalgar Square took a violent turn when the police charged on those protesting with batons. By the end of the day, 2 or 3 people were killed and several hundred protestors were injured.