21st century

====2021====
* [[January 1]] – The [[African Continental Free Trade Area]] comes into effect.<ref>{{Cite web |url=https://www.aljazeera.com/economy/2021/1/1/after-months-of-covid-delays-african-free-trade-bloc-launches |title=After months of COVID delays, African free trade bloc launches |publisher=Al Jazeera |date=1 January 2021|access-date=3 January 2021}}</ref>
* [[January 6]] – [[2021 storming of the United States Capitol|Pro-Trump rioters storm the US Capitol]], disrupting the Congressional certification of United States President-elect [[Joe Biden]]. Trump is [[Second impeachment of Donald Trump|impeached a second time]] a week later for his role in the storming, making him the first US federal official to be impeached more than once and the first president to have his [[Second impeachment trial of Donald Trump|trial]] occur after his tenure expired.
* [[January 20]] – [[Joe Biden]] and [[Kamala Harris]] are [[Inauguration of Joe Biden|inaugurated]] as the 46th and 49th [[President of the United States|President]] and [[Vice President of the United States|Vice President]] of the United States. Harris becomes the first Black, South Asian and female Vice President.
* [[January 22]] – The [[Treaty on the Prohibition of Nuclear Weapons]], the first legally binding international agreement comprehensively to prohibit nuclear weapons, comes into effect.<ref>{{Cite web|url=https://news.un.org/en/story/2021/01/1082702|title=Guterres hails entry into force of treaty banning nuclear weapons|date=22 January 2021|website=UN News|access-date=December 7, 2023|archive-date=April 24, 2021|archive-url=https://web.archive.org/web/20210424161740/https://news.un.org/en/story/2021/01/1082702|url-status=live}}</ref>
* [[January 26]] – COVID-19 pandemic: The number of confirmed COVID-19 cases exceeds 100 million worldwide.<ref>{{cite news|date=26 January 2021|title=COVID-19: 100 million coronavirus cases recorded worldwide – a year after virus first officially diagnosed|url=https://news.sky.com/story/covid-19-100-million-coronavirus-cases-recorded-worldwide-a-year-after-virus-first-officially-diagnosed-12191487|work=Sky News|access-date=27 January 2021|archive-date=February 14, 2021|archive-url=https://web.archive.org/web/20210214220316/https://news.sky.com/story/covid-19-100-million-coronavirus-cases-recorded-worldwide-a-year-after-virus-first-officially-diagnosed-12191487|url-status=live}}</ref>
* [[January 29]] – COVID-19 pandemic: The European Union invokes [[Article 16 of the Northern Ireland Protocol]] following a row over [[COVID-19 vaccine]] supplies before reversing the decision.<ref>{{cite news |title=What is Article 16 and why did the EU make a U-turn after triggering it? |url=https://news.sky.com/story/what-is-article-16-and-why-did-the-eu-make-a-u-turn-after-triggering-it-12202915 |date=31 January 2021 |access-date=2 February 2021 |agency=Sky News |archive-date=September 26, 2023 |archive-url=https://web.archive.org/web/20230926081208/https://news.sky.com/story/what-is-article-16-and-why-did-the-eu-make-a-u-turn-after-triggering-it-12202915 |url-status=live }}</ref>
* [[February 1]] – A [[2021 Myanmar coup d'état|coup d'état]] in [[Myanmar]] removes [[Aung San Suu Kyi]] from power and restores [[Tatmadaw|military]] rule.<ref>{{cite web |title=Military takes control of Myanmar; Suu Kyi reported detained |url=https://abcnews.go.com/International/wireStory/reports-military-coup-myanmar-suu-kyi-detained-75602314 |website=ABC |access-date=1 February 2021 |date=1 February 2021 |archive-date=3 March 2021 |archive-url=https://web.archive.org/web/20210303001114/https://abcnews.go.com/International/wireStory/reports-military-coup-myanmar-suu-kyi-detained-75602314 |url-status=live }}</ref>
* [[February 18]] – [[NASA]]'s [[Mars 2020]] mission (containing the ''[[Perseverance (rover)|Perseverance]]'' rover and ''[[Mars Helicopter Ingenuity|Ingenuity]]'' helicopter drone) lands on [[Mars]] at [[Jezero (crater)|Jezero Crater]], after seven months of travel.<ref>{{cite web|last=mars.nasa.gov|title=Mars 2020 Perseverance Rover|url=https://mars.nasa.gov/mars2020/|access-date=2021-02-18|website=mars.nasa.gov|language=en|archive-date=4 June 2020|archive-url=https://web.archive.org/web/20200604025605/https://mars.nasa.gov/mars2020/|url-status=live}}</ref>
* [[April 30]] – [[June 13]] – A [[2021 Meron crowd crush|crush]] during a pilgrimage on [[Lag BaOmer]], renewed violence during the [[2021 Israel-Palestine crisis]] and continuing problems with the [[COVID-19 pandemic in Israel]] precede the [[2021 Israeli presidential election]]. Amidst the election, [[Naftali Bennett]] and [[Yair Lapid]] agree to a rotation government, [[Thirty-sixth government of Israel|first]] headed by Bennett, in order to oust [[Benjamin Netanyahu]] as [[Prime Minister of Israel|Prime Minister]] as the month of crises is the culmination of scandals and corruption, including financial criminal charges, during Netanyahu's record long tenure.
* [[June 5]] – The [[G7]] agrees on a global [[minimum corporate tax rate]] of 15% intended to prevent [[tax avoidance]] by some of the world's biggest multinationals.<ref>{{Cite news|date=2021-06-05|title=G7: Rich nations back deal to tax multinationals|work=BBC News|url=https://www.bbc.co.uk/news/world-57368247|access-date=2021-06-05}}</ref>
* [[June 7]] – The ''[[Juno (spacecraft)|Juno]]'' spacecraft performs its only flyby of [[Jupiter]]'s moon [[Ganymede (moon)|Ganymede]], the first flyby of the moon by any spacecraft in over 20 years.<ref>{{cite web |last1=Agle |first1=D.C. |last2=Fox |first2=Karen |last3=Johnson |first3=Alana |last4=Schmid |first4=Deb |title=NASA's Juno to Get a Close Look at Jupiter's Moon Ganymede |url=https://www.nasa.gov/feature/jpl/nasa-s-juno-to-get-a-close-look-at-jupiter-s-moon-ganymede |website=[[NASA]] |access-date=3 June 2021 |archive-url=https://web.archive.org/web/20210603202011/https://www.nasa.gov/feature/jpl/nasa-s-juno-to-get-a-close-look-at-jupiter-s-moon-ganymede/ |archive-date=3 June 2021 |date=3 June 2021 |quote=On Monday, June 7 [...] NASA's Juno spacecraft will come within 645 miles (1,038 kilometers) of the surface of Jupiter's largest moon, Ganymede. The flyby will be the closest a spacecraft has come to the solar system's largest natural satellite since NASA's Galileo spacecraft made its penultimate close approach back on May 20, 2000. |url-status=live}}</ref><ref>{{cite web |last1=Berger |first1=Eric |title=NASA extends Juno, turning spacecraft into an Io, Europa, and Ganymede explorer |url=https://arstechnica.com/science/2021/01/nasa-extends-missions-to-jupiter-and-mars-expect-lots-of-jovian-moon-flybys/ |website=[[Ars Technica]] |access-date=3 June 2021 |archive-url=https://web.archive.org/web/20210603202029/https://arstechnica.com/science/2021/01/nasa-extends-missions-to-jupiter-and-mars-expect-lots-of-jovian-moon-flybys/ |archive-date=3 June 2021 |date=12 January 2021 |quote=As part of a research plan submitted by Scott Bolton, Juno's principal investigator, the spacecraft will fly to within 1,000km of the surface of Ganymede... |url-status=live}}</ref>
* [[July 7]] – President of Haiti, Jovenel Moïse, is [[Assassination of Jovenel Moïse|assassinated]] in a midnight attack by unknown mercenaries.
* [[August 15]] – The Taliban [[Fall of Kabul (2021)|regain control of Kabul]] after US forces and the [[Islamic Republic of Afghanistan|republican government]] flee Afghanistan, marking the end of the [[War in Afghanistan (2001–2021)|War in Afghanistan]] after nearly 20 years.<ref>{{cite news |date=16 August 2021 |title=Afghanistan conflict: Kabul falls to Taliban as president flees |url=https://www.bbc.com/news/world-asia-58223231 |work=BBC News |access-date=16 August 2021 |archive-date=16 August 2021 |archive-url=https://web.archive.org/web/20210816071218/https://www.bbc.com/news/world-asia-58223231 |url-status=live }}</ref>
* [[November 30]] – [[Barbados]] becomes a republic by replacing [[Elizabeth II]] as Queen with [[Sandra Mason]] as [[President of Barbados|president]] in the role of head of state.
* [[December 25]] – [[NASA]], [[European Space Agency|ESA]], the [[Canadian Space Agency]] and the [[Space Telescope Science Institute]] launch the [[James Webb Space Telescope]], the successor of the [[Hubble Space Telescope]].