21st century

==== 2015 ====
* [[January 7]] – Two gunmen, brothers Saïd and Chérif Kouachi, commit [[Charlie Hebdo shooting|a mass murder]] at the offices of ''[[Charlie Hebdo]]'' in [[Paris]], killing 12 people. Following the attack, about two million people, including more than 40 world leaders, met in Paris for a [[Republican marches|rally of national unity]], and 3.7 million people joined demonstrations across the country. The phrase ''[[Je suis Charlie]]'' became a common slogan of support at the rallies and in social media.
* [[March 6]] – [[NASA]]'s ''[[Dawn (spacecraft)|Dawn]]'' probe enters orbit around [[Ceres (dwarf planet)|Ceres]], becoming the first spacecraft to visit a [[dwarf planet]].<ref>{{cite news |url=http://www.nasa.gov/press/2015/march/nasa-spacecraft-becomes-first-to-orbit-a-dwarf-planet/index.html |title=NASA Spacecraft Becomes First to Orbit a Dwarf Planet |work=NASA |date=March 6, 2015 |access-date=2 August 2023 |archive-date=17 April 2016 |archive-url=https://web.archive.org/web/20160417141458/http://www.nasa.gov/press/2015/march/nasa-spacecraft-becomes-first-to-orbit-a-dwarf-planet/index.html |url-status=dead }}</ref><ref>{{cite news |url=https://www.bbc.co.uk/news/science-environment-31754586 |title=Nasa's Dawn probe achieves orbit around Ceres |work=BBC |date=March 6, 2015}}</ref>
* [[March 23]] – [[Singapore]]an politician and the 1st [[Prime Minister of Singapore]] [[Lee Kuan Yew]] [[Death and state funeral of Lee Kuan Yew|dies]] at the age of 91.
* [[April 2]] – 148 people are killed, the majority students, in a [[Garissa University College attack|mass shooting]] at the [[Garissa University College]] in [[Kenya]], perpetrated by the militant terrorist organization [[Al-Shabaab (militant group)|al-Shabaab]].<ref>{{cite news |url=https://www.nytimes.com/2015/04/04/world/africa/kenyan-students-describe-shabab-attack-on-garissa-university-college.html |work=The New York Times |first=Jeffrey |last=Gettleman |title=Come Out and Live, Shabab Told Kenya Students. It Was a Lie |date=April 3, 2015 |access-date=March 1, 2017 |archive-date=June 13, 2022 |archive-url=https://web.archive.org/web/20220613221407/https://www.nytimes.com/2015/04/04/world/africa/kenyan-students-describe-shabab-attack-on-garissa-university-college.html |url-status=live }}</ref>
* [[April 25]] – [[April 2015 Nepal earthquake|A magnitude 7.8 earthquake]] strikes [[Nepal]] and causes 8,857 deaths<ref>{{cite news |title=Nepal earthquake: Hundreds die, many feared trapped |url=https://www.bbc.co.uk/news/world-asia-32461019 |date=April 25, 2015 |work=BBC News |access-date=June 21, 2018 |archive-date=June 29, 2018 |archive-url=https://web.archive.org/web/20180629132532/https://www.bbc.co.uk/news/world-asia-32461019 |url-status=live }}</ref><ref>{{Cite news|date=2015-04-26|url=https://www.latimes.com/world/asia/la-fg-nepal-quake-aftershock-20150426-story.html|title=Nepal earthquake death toll tops 3,200|newspaper=[[Los Angeles Times]]|access-date=2015-04-26|first=Bhrikuti|last=Rai|archive-date=March 27, 2022|archive-url=https://web.archive.org/web/20220327103019/https://www.latimes.com/world/asia/la-fg-nepal-quake-aftershock-20150426-story.html|url-status=live}}</ref> in Nepal, 130 in [[India]],<ref name="ht52">{{cite news |work=Hindustan Times |date=April 25, 2015 |access-date=April 25, 2015 |title=Nepal earthquake: 52 dead, hundreds injured in India, huge damage in bordering areas |url=http://m.hindustantimes.com/india-news/earthquake-spells-destruction-in-india-20-feared-dead-houses-damaged/article1-1340918.aspx |archive-url=https://archive.today/20150426005807/http://m.hindustantimes.com/india-news/earthquake-spells-destruction-in-india-20-feared-dead-houses-damaged/article1-1340918.aspx |url-status=dead |archive-date=April 26, 2015}}</ref> 27 in [[China]]<ref name="KSL">{{cite web |agency=Associated Press |publisher=KSL |date=April 25, 2015 |access-date=April 25, 2015 |title=Nepal quake: Hundreds dead, history crumbles, Everest shaken |url=http://www.ksl.com/?nid=157&sid=34379730 |archive-date=June 12, 2018 |archive-url=https://web.archive.org/web/20180612163904/https://www.ksl.com/?nid=157&sid=34379730 |url-status=live }}</ref> and 4 in [[Bangladesh]]<ref name=USAToday>{{cite news|last1=Stanglin|first1=Doug|title=Hundreds dead as 7.8 magnitude quake rocks Nepal|url=https://www.usatoday.com/story/news/world/2015/04/25/nepal-earthquake/26354073|access-date=April 25, 2015|agency=USA Today|archive-date=April 25, 2015|archive-url=https://web.archive.org/web/20150425133937/http://www.usatoday.com/story/news/world/2015/04/25/nepal-earthquake/26354073/|url-status=live}}</ref> with a total of 9,018 deaths.
* [[April 29]] – The [[World Health Organization]] (WHO) declares that [[rubella]] has been eradicated from the [[Americas]].<ref>{{cite news |url=https://www.bbc.co.uk/news/world-us-canada-32523300 |title=Rubella (German measles) eradicated from Americas |work=BBC |date=April 29, 2015 |access-date=June 21, 2018 |archive-date=June 23, 2018 |archive-url=https://web.archive.org/web/20180623233030/https://www.bbc.co.uk/news/world-us-canada-32523300 |url-status=live }}</ref>
* [[June 26]] – The [[Supreme Court of the United States]] determines that [[same-sex marriage in the United States|same-sex couples have a constitutional right to marry]] in a landmark case ''[[Obergefell v. Hodges]]''.
* [[July 14]] – [[Iran]] and the [[P5+1]] (China, France, Russia, the UK, and the US + Germany) agree on final provisions of [[Joint Comprehensive Plan of Action]] in regards to the latter's [[Nuclear program of Iran|nuclear program]].
* [[October]] – The [[Chinese Communist Party]] announces the end of the [[one-child policy]] after 35 years.
* [[November 13]] – [[Islamic State of Iraq and the Levant|ISIL]] claims responsibility of the [[November 2015 Paris attacks]], which killed 137 and left 416 injured.
* [[November 24]] – [[Turkey]] [[2015 Russian Sukhoi Su-24 shootdown|shoots down]] a Russian [[Sukhoi Su-24M]] attack aircraft. This is the first case of a [[Member states of NATO|NATO member]] destroying a Russian aircraft since the [[attack on the Sui-ho Dam]] (during the [[Korean War]]).
* [[November 30]] – [[December 12]] – During the [[2015 United Nations Climate Change Conference|UN summit on Climate Change]], 193 nations [[Paris Agreement|agree]] to reduce carbon emissions starting in 2020.
* During the [[2015 European migrant crisis]], around 1.3 million people, most notably [[refugees]] of the wars in [[Syrian civil war|Syria]], [[War in Iraq (2013–2017)|Iraq]] and [[War in Afghanistan (2001–2021)|Afghanistan]], flee to Europe to claim [[Right of asylum|asylum]], leading to considerable political upheaval in the [[European Union]]. [[Germany]] ultimately takes in the majority of the asylum seekers.