20192019 is noted as the year in which the first known human case of COVID-19 was documented, preceding the pandemic which was declared the following year. 2019 was described as the "best year in human history" up to that point by some newspapers and media outlets in the United States, including The New York Times and WNYC. January 1 New Horizons makes a close approach to the Kuiper belt object (KBO) 486958 Arrokoth at 05:33 UTC. Jair Bolsonaro begins his four-year term as President of Brazil. Qatar withdraws from OPEC.
20202020 was heavily defined by the COVID-19 pandemic, which led to global social and economic disruption, mass cancellations and postponements of events, worldwide lockdowns and the largest economic recession since the Great Depression in the 1930s. Geospatial World also called 2020 "the worst year in terms of climate change" in part due to major climate disasters worldwide, including major bushfires in Australia and the western United States, as well as extreme tropical cyclone activity affecting large parts of North America.
1990Important events of 1990 include the Reunification of Germany and the unification of Yemen, the formal beginning of the Human Genome Project (finished in 2003), the launch of the Hubble Space Telescope, the separation of Namibia from South Africa, and the Baltic states declaring independence from the Soviet Union amidst Perestroika. Yugoslavia's communist regime collapses amidst increasing internal tensions and multiparty elections held within its constituent republics result in separatist governments being elected in most of the republics marking the beginning of the breakup of Yugoslavia.
20182018 was designated as the third International Year of the Reef by the International Coral Reef Initiative. January 4 – SPLM-IO rebels loyal to Chan Garang Lual start a raid against Juba, capital of South Sudan. January 12–13 – The first round of voting of the 2018 Czech presidential election is held. January 13- 2018 Hawaii false missile alert. A missile alert sent as a Civil danger warning caused 38 minutes of panic. It was determined to have been a hoax.
1984January 1 – The Bornean Sultanate of Brunei gains full independence from the United Kingdom, having become a British protectorate in 1888. January 7 – Brunei becomes the sixth member of the Association of Southeast Asian Nations (ASEAN). January 9 – Van Halen releases their sixth studio album 1984 (MCMLXXXIV), which debuted at number 2 on the Billboard 200 albums chart, and went on to sell over 10 million copies in the United States. January 10 The United States and the Vatican (Holy See) restore full diplomatic relations.
19881988 was a crucial year in the early history of the Internet—it was the year of the first well-known computer virus, the 1988 Internet worm. The first permanent intercontinental Internet link was made between the United States (NSFNET) and Europe (Nordunet) as well as the first Internet-based chat protocol, Internet Relay Chat. The concept of the World Wide Web was first discussed at CERN in 1988. The Soviet Union began its major deconstructing towards a mixed economy at the beginning of 1988 and began its gradual dissolution.
2023On May 5 this year, the WHO ceased calling the COVID-19 pandemic a global health emergency, as infections continued to decrease. The Russian invasion of Ukraine, which began in 2022, continued, and an armed conflict broke out in Sudan, beginning in April. Catastrophic natural disasters included the fifth-deadliest earthquake of the 21st century striking Turkey and Syria, leaving nearly 60,000 people dead, as well as Cyclone Freddy, the longest-lasting recorded tropical cyclone in history, leading to over 1,400 deaths.
19981998 was designated as the International Year of the Ocean. January 6 – The Lunar Prospector spacecraft is launched into orbit around the Moon, and later finds evidence for frozen water, in soil in permanently shadowed craters near the Moon's poles. January 11 – Over 100 people are killed in the Sidi-Hamed massacre in Algeria. January 12 – Nineteen European nations agree to forbid human cloning. January 17 – The Drudge Report breaks the story about U.S.
20092009 was designated as the International Year of Astronomy by the United Nations to coincide with the 400th anniversary of Galileo Galilei's first known astronomical studies with a telescope and the publication of Astronomia Nova by Johannes Kepler. It was also declared as the International Year of Natural Fibres by the United Nations General Assembly, as well as the International Year of Reconciliation and the Year of the Gorilla (UNEP and UNESCO). January 1 Japan, Mexico, Turkey and Uganda assume their seats on the United Nations Security Council.