20072007 was designated as the International Heliophysical Year and the International Polar Year. January 1 Bulgaria and Romania join the European Union, while Slovenia joins the Eurozone. Adam Air Flight 574, en route to Manado, Indonesia, from Surabaya, Indonesia, crashes into the Makassar Strait; killing all 102 on board. January 4 - Nancy Pelosi becomes the first female speaker of the United States House of Representatives. January 8 – Russian oil supplies to Poland, Germany, and Ukraine are cut as the Russia–Belarus energy dispute escalates; they are restored three days later.
20102010 was designated as: International Year of Biodiversity International Year of Youth 2010 European Year for Combating Poverty and Social Exclusion International Year for the Rapprochement of Cultures There is a debate among experts and the general public on how to pronounce specific years of the 21st century in English. The year 2010 is pronounced either "twenty-ten" or "two thousand [and] ten". 2010 was the first year to have a wide variation in pronunciation, as the years 2000 to 2009 were generally pronounced "two thousand (and) one, two, three, etc.
20152015 was designated by the United Nations as: International Year of Light International Year of Soil TOC January 1 Lithuania officially adopts the euro as its currency, replacing the litas, and becomes the nineteenth Eurozone country. January 3–7 – A series of massacres in Baga, Nigeria and surrounding villages by Boko Haram kills more than 2,000 people. January 7 – Two gunmen belonging to Al-Qaeda's Yemen branch kill 12 people and injure 11 more at the Paris headquarters of satirical newspaper Charlie Hebdo, prompting an anti-terrorism demonstration attended by over a million people and more than 40 world leaders.
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.
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.
20222022 saw the removal of nearly all COVID-19 restrictions and the reopening of international borders in most countries, and the global rollout of COVID-19 vaccines continued. The global economic recovery from the pandemic continued, though many countries experienced an ongoing inflation surge; in response, many central banks raised their interest rates to landmark levels. The world population reached eight billion people in 2022, though the year also witnessed numerous natural disasters, including two devastating Atlantic hurricanes (Fiona and Ian), and the most powerful volcano eruption of the century so far.
2021Like the year 2020, 2021 was also heavily defined by the COVID-19 pandemic, due to the emergence of multiple COVID-19 variants. The major global rollout of COVID-19 vaccines, which began at the end of 2020, continued in 2021. Most major events scheduled for 2020 that were postponed due to the pandemic were hosted in 2021, including the 26th United Nations Climate Change Conference, Expo 2020, and sporting events such as UEFA Euro 2020, the 2020 Summer Olympics and Paralympics, as well as the 2021 Copa América.
1874January 1 – New York City annexes The Bronx. January 2 – Ignacio María González becomes head of state of the Dominican Republic for the first time. January 3 – Third Carlist War: Battle of Caspe – Campaigning on the Ebro in Aragon for the Spanish Republican Government, Colonel Eulogio Despujol surprises a Carlist force under Manuel Marco de Bello at Caspe, northeast of Alcañiz. In a brilliant action the Carlists are routed, losing 200 prisoners and 80 horses, while Despujol is promoted to Brigadier and becomes Conde de Caspe.
1867January 1 – The Covington–Cincinnati Suspension Bridge opens between Cincinnati, Ohio, and Covington, Kentucky, in the United States, becoming the longest single-span bridge in the world. It was renamed after its designer, John A. Roebling, in 1983. January 8 – African-American men are granted the right to vote in the District of Columbia. January 11 – Benito Juárez becomes Mexican president again. January 15 – London Skating Disaster where 40 people died when the ice broke.
