Editing 2015 (section)

===December===
*[[December 2]] – [[2015 San Bernardino attack|Two gunmen open fire]] at a workplace in [[San Bernardino]], [[California]], killing 14 before dying themselves in a shootout with police. [[Islamic State of Iraq and the Levant|ISIL]] claimed responsibility.<ref>{{Cite news |url=https://www.bbc.com/news/world-us-canada-34987697 |title=At least 14 dead in California shooting |date=2015-12-03 |access-date=2019-04-24 |language=en-GB |archive-date=April 24, 2019 |archive-url=https://web.archive.org/web/20190424184851/https://www.bbc.com/news/world-us-canada-34987697 |url-status=live }}</ref>
*[[December 11]] – [[OpenAI]], a non-profit [[artificial intelligence]] research company, is founded.<ref>{{Cite web |date=December 12, 2015 |title=Introducing OpenAI |url=https://openai.com/blog/introducing-openai/ |url-status=live |archive-url=https://web.archive.org/web/20170808104802/https://openai.com/blog/introducing-openai/ |archive-date=August 8, 2017 |access-date=December 23, 2022 |website=OpenAI |language=en}}</ref>
* [[December 12]] – A global [[climate change]] pact is [[Paris Agreement|agreed]] at the [[2015 United Nations Climate Change Conference|COP 21 summit]] in Paris, committing all countries to reduce [[carbon emissions]] for the first time.<ref>{{cite news |title=COP21 climate change summit reaches deal in Paris |url=https://www.bbc.co.uk/news/science-environment-35084374 |date=December 12, 2015 |work=BBC |access-date=June 21, 2018 |archive-date=June 17, 2018 |archive-url=https://web.archive.org/web/20180617091712/https://www.bbc.co.uk/news/science-environment-35084374 |url-status=live }}</ref>
* [[December 15]] – The [[Islamic Military Counter Terrorism Coalition]] is formed in order to fight terrorism.<ref>{{Cite news|url=https://www.washingtonpost.com/world/national-security/saudi-arabia-launches-islamic-military-alliance-to-combat-terrorism/2015/12/15/ad568a1c-a361-11e5-9c4e-be37f66848bb_story.html|title=Saudi Arabia launches 'Islamic military alliance' to combat terrorism|last=DeYoung|first=Karen|date=2015-12-15|newspaper=The Washington Post|access-date=2017-02-26|archive-date=June 12, 2018|archive-url=https://web.archive.org/web/20180612142606/https://www.washingtonpost.com/world/national-security/saudi-arabia-launches-islamic-military-alliance-to-combat-terrorism/2015/12/15/ad568a1c-a361-11e5-9c4e-be37f66848bb_story.html|url-status=live}}</ref>
* [[December 22]] – [[SpaceX]] lands an uncrewed [[Falcon 9]] rocket, the first [[Reusable launch system|reusable rocket]] to successfully enter orbital space and return.<ref>{{Cite web |last=Burns |first=Matt |date=December 22, 2015 |title=SpaceX Successfully Lands A Giant Falcon 9 Rocket For The First Time |url=https://techcrunch.com/2015/12/21/spacex-successfully-lands-a-giant-falcon-9-rocket-for-the-first-time/ |url-status=live |archive-url=https://web.archive.org/web/20210304172949/https://techcrunch.com/2015/12/21/spacex-successfully-lands-a-giant-falcon-9-rocket-for-the-first-time/ |archive-date=March 4, 2021 |access-date=March 11, 2021 |website=TechCrunch}}</ref>