[continues for 2020]

• September 3
• Sudanese Prime Minister Abdalla Hamdok and Abdelaziz al-Hilu, the leader of the Sudan People's Liberation Movement-North (SPLM–N), sign an agreement to transition the country into a secular state. The agreement comes three days after the signing of a peace deal between Sudan's transitional government and the Sudan Revolutionary Front, to which the SPLM–N opted out of. Weeks later on October 3, the transitional government signed a peace deal with the main rebel groups, including the Sudan People's Liberation Movement-North, which had refused to engage in previous talks.[223][224]
• The skeletons of 200 mammoths and 30 other animals are unearthed at a construction site for the Mexico City Santa Lucía Airport. It is the largest find of mammoth bones to date, surpassing The Mammoth Site in the U.S. which had 61 skeletons.[225]
• September 4
• Pope Benedict XVI becomes the longest-lived pope at 93 years, four months, and 16 days, surpassing Pope Leo XIII, who died in 1903.[226]
• The La Línea highway tunnel, the longest road tunnel in South America at a length of 8.65 kilometres (5.37 mi), is opened in Colombia after 14 years of construction and several delays.[227]
• Kosovo and Serbia announce that they will normalize economic relations. The two countries will also move their Israeli embassies to Jerusalem, becoming the third and fourth countries to recognize Jerusalem as Israel's capital.[228][229]
• Bahrain and Israel agree to normalise relations, marking the fourth Israel–Arab peace deal.[230]
• September 6 – Typhoon Haishen makes landfall on Japan and then South Korea as a strong category 2-equivalent typhoon.[231] It later makes landfall on North Korea where widespread flooding occurs.[232]
• September 14
• The Royal Astronomical Society announces the detection of phosphine in Venus' atmosphere, which is known to be a strong predictor for the presence of microbial life.[233]
• The first discovery of the perfectly preserved remains of a cave bear, believed to be 22,000 to 39,500 years old (Late Pleistocene), is made in Lyakhovsky Islands, Siberia in the thawing permafrost.[234]
• September 16
• A United Nations Human Rights Council fact-finding mission formally accuses the Venezuelan government of crimes against humanity, including cases of killings, torture, violence against political opposition and disappearances since 2014. President Nicolás Maduro and other senior Venezuelan officials are among those implicated in the charges.[235]
• Yoshihide Suga becomes the new Prime Minister of Japan, replacing Shinzo Abe.[236]
• September 17
• France, Germany, and the United Kingdom issue a joint note verbale to the United Nations rejecting China's claims to the South China Sea, and supporting the ruling in Philippines v. China that said the historic rights per the nine-dash line ran counter to the United Nations Convention on the Law of the Sea. However the statement says that on "territorial sovereignty" they "take no position."[237]
• COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 30 million worldwide.[238]
• September 19 – A 1634 edition of The Two Noble Kinsmen, the last play by English playwright William Shakespeare, is discovered at the Royal Scots College's library in Salamanca, Spain. It is believed to be the oldest copy of any of his works in the country.[239]
• September 20 – BuzzFeed News and the International Consortium of Investigative Journalists (ICIJ) release the FinCEN Files, a collection of 2,657 documents relating to the Financial Crimes Enforcement Network describing over 200,000 suspicious transactions valued at over US$2 trillion that occurred from 1999 to 2017 across multiple global financial institutions.[240]
• September 21 – Microsoft agrees to buy video game holding company ZeniMax Media, including Bethesda Softworks and their following subsidiaries for US$7.5 billion, in what is the biggest and most expensive takeover in the history of the video game industry.[241]
• September 27 – Deadly clashes erupt in Nagorno-Karabakh between Armenian and Azerbaijani forces. Armenia, Azerbaijan, and the Republic of Artsakh introduce martial law and mobilize forces.[242]
• September 29
• COVID-19 pandemic: The worldwide death toll from COVID-19 exceeds one million.[243]
• The Emir of Kuwait Sheikh Sabah al-Sabah dies at the age of 91. Crown Prince Nawaf Al-Ahmad Al-Jaber Al-Sabah is named his successor.[244][245]

• October 1 – The EU launches legal action against the UK, accusing it of breaking international law by overriding sections of the Brexit withdrawal agreement.[246]
• October 4 – In the 2020 New Caledonian independence referendum, New Caledonia votes against independence from France.[247]
• October 5
• Massive protests breakout in Kyrgyzstan following accusations that the October 2020 parliamentary election was "unfair".[248]
• COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 35 million worldwide. The news coincides with the World Health Organization estimating that total worldwide cases may be around 760 million - roughly a tenth of the global population.[249][250]
• October 10 – Armenia and Azerbaijan agree on a ceasefire in the ongoing Nagorno-Karabakh conflict.[251]
• October 15:
• 2020 Thai protests: The Government of Thailand declares a "severe" state of emergency banning gatherings of five or more people, initiating a crackdown on demonstrations and imposing media censorship.[252]
• President of Kyrgyzstan Sooronbay Jeenbekov resigns from office after weeks of massive protests in the wake of the October 2020 parliamentary election; opposition leader Sadyr Japarov assumes office as both the acting President and Prime Minister of Kyrgyzstan.[253]
• October 17 – 2020 New Zealand general election: Jacinda Ardern's Labour Party wins a landslide second term in office, defeating the National Party led by Judith Collins and gaining the country's first parliamentary majority since the introduction of the MMP voting system.[254]
• October 19 – COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 40 million worldwide.[255]
• October 20 – NASA's OSIRIS-REx spacecraft briefly touches down on Bennu, becoming the agency's first probe to retrieve samples from an asteroid, with its cargo due for return to Earth in 2023.[256]
• October 22 – The Geneva Consensus Declaration on Promoting Women's Health and Strengthening the Family is signed by government representatives from 34 countries.[257]
• October 23
• At the end of an 11-year demining process, the Falkland Islands are declared free of land mines, 38 years after the end of the 1982 war.[258]
• Israel and Sudan agree to normalise relations, marking the fifth Israel–Arab peace deal.[259][260][261]
• October 26 – NASA confirms the existence of molecular water on the sunlit side of the Moon, near Clavius crater, at concentrations of up to 412 parts per million.[262]
• October 29 – The International Organization for Migration (IOM) confirms the death of least 140 migrants who drowned off the coast of Senegal on a vessel bound for the Spanish Canary Islands. It is the deadliest shipwreck of 2020 so far.[263]
• October 30
• 2020 Aegean Sea earthquake: A magnitude 7.0 earthquake hits Turkey and Greece, killing at least 81 people and injuring nearly 1,000.[264][265]
• COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 45 million worldwide.[266]
• October 31 – Typhoon Goni makes landfall in the Philippines, becoming the strongest landfalling tropical cyclone in history, displacing hundreds of thousands of people and killing dozens of people in the region.[267]

• November 1
• The 2020 Moldovan presidential election takes place.[268]
• 54 people, mostly Amhara women and children and elderly people, are killed by suspected members of the Oromo Liberation Army in Gawa Qanqa, Ethiopia.[269][270]
• November 2 – A mass shooting spree across many locations in Vienna, Austria kills four civilians and injures more than 20 others.[271] The attack is described as a terrorist attack by Austrian Chancellor Sebastian Kurz.[272]
• November 3 – November 7
• 2020 United States presidential election: Joe Biden is elected as the 46th President of the United States, after remaining vote counts (November 7) come in from key states delayed by an influx of mail-in ballots caused by the pandemic, defeating the incumbent President Donald Trump.[273][274]
• Hurricane Eta makes landfall in Nicaragua, killing over 100 people in Central America as a category 4.[275]
• November 4 – The United States formally exits the Paris Agreement on climate change.[276]
• November 8 – COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 50 million worldwide.[277]
• November 9
• COVID-19 pandemic: The first successful phase III trial of a COVID-19 vaccine is announced by drug companies Pfizer and BioNTech, which is 90% effective according to interim results.[278]
• 2020 Nagorno-Karabakh War: Armenia and Azerbaijan sign a Russia-brokered ceasefire agreement.
• November 11 – COVID-19 pandemic: The Sputnik V vaccine is proven to be 92% effective against COVID-19 according to interim results.[279]
• November 12 – Hong Kong pro-democracy lawmakers resign en masse, in response to four lawmakers' disqualification made by the government.[280]
• November 15
• The Regional Comprehensive Economic Partnership (RCEP) is signed by 15 Asia-Pacific countries to form the world's largest free-trade bloc, covering a third of the world's population.[281]
• NASA and SpaceX launch the SpaceX Crew-1 mission from Kennedy Space Center Launch Complex 39A to the ISS, the first operational flight of the Crew Dragon capsule.[282]
• November 16 – COVID-19 pandemic: Moderna's mRNA vaccine is proven to be 94.5% effective against COVID-19 based on interim results, including severe illnesses. The vaccine has been cited as being among those that are easier to distribute as no ultra-cold storage is required.[283]
• Hurricane Iota makes landfall in Nicaragua as a Category 4 hurricane just two weeks after Hurricane Eta made landfall, devastating the same areas.[284]
• November 17 – COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 55 million worldwide, with around a million cases recorded every two days on average.[285]
• November 18 – COVID-19 pandemic: Pfizer and BioNTech complete trials on their COVID-19 vaccine, with an overall effectiveness rate of 95% without adverse events.[286]
• November 19
• The Brereton Report into Australian war crimes during the War in Afghanistan is released.[287]
• Shuggie Bain by Douglas Stuart wins the 2020 Booker Prize.[288]
• November 22 – The United States withdraws from the Treaty on Open Skies.[289]
• November 23 – COVID-19 pandemic: AstraZeneca's AZD1222 vaccine, developed in collaboration with Oxford University, is shown to be 70% effective in protecting against COVID-19. The efficacy can be raised to 90% if an initial half dose is followed by a full dose a month later, based on interim data.[290][291]
• November 25 – COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 60 million worldwide.[292]
• November 27 – Iran's top nuclear scientist, Mohsen Fakhrizadeh, is assassinated near Tehran.[293][294]
• November 28 – Koshobe massacre: Boko Haram jihadists attack a farm in Jere, Nigeria, killing at least 43 people.[295]
• November 30
• A penumbral lunar eclipse occurs; the last of four total lunar eclipses in 2020.[296]
• Protein folding, one of the biggest mysteries in biology,[297] is solved by artificial intelligence company DeepMind.

• December 1 – The Arecibo Telescope of the Arecibo Observatory collapses, just weeks after the announcement of its planned demolition.[300]
• December 2 – COVID-19 pandemic: The United Kingdom approves Pfizer's BNT162b2 vaccine, being the first country in the world to do so

So have it for now before the final days of the year. Every 4 years are worst than you thought. 2024, 2028 and other leap years are still coming.