October 22, 2016 (Saturday)
Armed conflicts and attacks
- Iraqi Civil War (2014–2017), Battle of Mosul (2016–2017)
- The Islamic State of Iraq and the Levant executes at least 284 people in Mosul. (CNN), (RT)
Disasters and accidents
- 2016 Eséka train derailment
- The death toll from the October 21 crash of a Camrail train rises to at least 73 people with another 600 wounded. (AP via Fox News), (NPR)
International relations
- Philippines–United States relations
- Philippine Foreign Affairs Secretary Perfecto Yasay states that the United States remains our "closest friend," but that the Philippines wants to break away and forge closer ties with other nations. (Reuters)
Law and crime
- At least 174 inmates escape in Arcahaie, Haiti, leaving one guard dead. Authorities seek the fugitives with support from UN peacekeepers. (Reuters)
- October 2016 Dyn cyberattack
- Security analysts state that the October 21 denial-of-service attacks on Internet performance management company Dyn was perpetrated using Mirai malware-created botnets that used consumer internet of things (IoT) smart devices, such as digital video recorders, cable set-top boxes, routers, etc. Technology experts warn that the security included with IoT is weak, or sometimes even nonexistent. (USA Today), (UPI)
Sports
- 2018 FIFA World Cup
- In rugby union, the New Zealand All Blacks win a record 18th consecutive test match, defeating the Australian Wallabies 37–10 at Eden Park, Kingsland, Auckland, New Zealand. (ABC News Australia)
- Major League Baseball
- The Chicago Cubs defeat the Los Angeles Dodgers and win the National League Championship Series 4–2, advancing to the World Series for the first time since 1945. (AP via ESPN), (CNN)