1985-November

• November 5 – Mark Kaylor defeats Errol Christie to become the middleweight boxing champion, after the two brawl in front of the cameras at the weigh-in.
• November 12 – A total solar eclipse occurs over Antarctica at 14:11:22 UTC.
• November 13 – Nevado del Ruiz volcano erupts, killing an estimated 23,000 people, including 21,000 killed by lahars in the town of Armero, Colombia.
• November 15 – In separate events, mail bombs kill 2 people in Salt Lake City, Utah; a third bomb explodes the next day, injuring career counterfeiter Mark Hofmann. The ensuing police investigation leads to the arrest of Hofmann for the 2 murders.
• November 18 – The comic strip Calvin and Hobbes debuts in 35 newspapers.
• November 19 – Cold War: In Geneva, U.S. President Ronald Reagan and Soviet Union leader Mikhail Gorbachev meet for the first time.
• November 20 – Microsoft Corporation releases the first version of Windows, Windows 1.0.
• November 23 – EgyptAir Flight 648 is hijacked by the Abu Nidal group and flown to Malta, where Egyptian commandos storm the plane; 60 are killed by gunfire and explosions.
• November 26 – U.S. President Ronald Reagan sells the rights to his autobiography to Random House for a record US$3 million.
• November 29
  • Gerard Hoarau, exiled political leader from the Seychelles, is assassinated in London.
  • The SM City North EDSA shopping mall is the country's first SM Supermall owned by Henry Sy.