What happened December 2015 AD

On December 1, 2015, Zuckerberg and Chan announced the birth of their first daughter Max, and in an open letter to Max, they pledged to donate 99% of their Facebook shares, then valued at US$45 billion, to the Chan Zuckerberg Initiative, their new organization that will focus on health and education.

On December 1, 2015, Mark and Chan announced they would eventually give 99 percent of their Facebook shares (worth about US$45 billion at the time) to the Chan Zuckerberg Initiative.

In December 2015, Google announced that the next major release of Android (Android Nougat) would switch to OpenJDK, which is the official open-source implementation of the Java platform, instead of using the now-discontinued Apache Harmony project as its runtime. The code reflecting this change was also posted to the AOSP source repository. In its announcement, Google claimed this was part of an effort to create a "common code base" between Java on Android and other platforms. Google later admitted in a court filing that this was part of an effort to address the disputes with Oracle, as its use of OpenJDK code is governed under the GNU General Public License (GPL) with a linking exception, and that "any damages claim associated with the new versions expressly licensed by Oracle under OpenJDK would require a separate analysis of damages from earlier releases". In June 2016, a United States federal court ruled in favor of Google, stating that its use of the APIs was fair use.

On December 2, 2015, 14 people were killed and 22 others were seriously injured in an Islamic terrorist attack consisting of a mass shooting and an attempted bombing at the Inland Regional Center in San Bernardino, California. The perpetrators, Syed Rizwan Farook and Tashfeen Malik, a married couple living in the city of Redlands, targeted a San Bernardino County Department of Public Health training event and Christmas party of about 80 employees in a rented banquet room. Farook was a U.S.-born citizen of Pakistani descent, who worked as a health department employee. Malik was a Pakistani-born green cardholder.

He said that his first legislative priority was to lower taxes for middle-income Canadians and raise taxes for the top one percent of income earners after parliament was reconvened on December 3, 2015.

Uber competitors Lyft (United States), Didi Kuaidi (China), Ola Cabs (India), and GrabTaxi (South-East Asia) (all of which have Softbank as an investor) announce a global technology and service alliance.

Uber announces that it is raising $2.1 billion at a $62.5 billion valuation.

On 7 December 2015, "Love Me like You Do" earned Goulding a Grammy Award nomination for Best Pop Solo Performance.

On December 8, 2015, Biden spoke in Ukraine's parliament in Kyiv in one of his many visits to set U.S. aid and policy stance on Ukraine.

UberEATS, Uber's food delivery service, is spun off into a separate standalone app, and now offers all-day delivery in Toronto. The new app is not available for other regions.

In December 2015, she assumed the patronage of the Royal Air Force Air Cadets (RAFAC) for youths 12–19 years of age. The Duke of Edinburgh, who had been the patron of the RAF Cadets for 63 years, formally handed over during an audience at Buckingham Palace.

Amazon begins moving into their new headquarters campus in the Denny Triangle neighborhood of Seattle, beginning with the 38-story Amazon Tower I (nicknamed "Doppler" after the codename for Amazon Echo).

In December 2015, The Washington Post reported that there had been 355 mass shootings in the United States so far that year.

On December 16, 2015, Buffett endorsed Democratic candidate Hillary Clinton for president.

On 17 December 2015, the CJR (Court of Justice of the Republic) ordered Lagarde to stand trial before it for alleged negligence in handling the Tapie arbitration approval.

On 19 December 2015, a WTO meeting in the Kenyan Capital led to an agreement for developed countries to end export subsidies immediately and developing countries to follow by the end of 2018.

On 21 December, FIFA's ethics committee banned both Blatter and Platini from football for eight years.

In December 2015, Musk announced the creation of OpenAI, a not-for-profit artificial intelligence (AI) research company. OpenAI aims to develop artificial general intelligence in a way that is safe and beneficial to humanity.

Musk believed the key to making space travel affordable was to make rockets reusable, though space industry experts believed reusable rockets were impossible or infeasible. On December 22, 2015, SpaceX successfully landed the first stage of its Falcon rocket back at the launch pad, the first time this had been achieved by an orbital rocket.

On 24 December 2015, Goulding volunteered in central London at the Marylebone Project to help end homelessness and to assist in the elimination of the stereotype associated with the homeless population.

In December 2015, Trump said in a radio interview that he had a "conflict of interest" in dealing with Turkey and Turkish president Tayyip Erdoğan because of his Trump Towers Istanbul, saying "I have a little conflict of interest because I have a major, major building in Istanbul and it's a tremendously successful job ... It's called Trump Towers – two towers instead of one ... I've gotten to know Turkey very well".

The ICTR (International Criminal Tribunal for Rwanda) officially closed on 31 December 2015, and its remaining functions were handed over to the Mechanism for International Criminal Tribunals.