2021 CE
A year shaped by the global vaccination rollout, the fall of Afghanistan, supply chain disruption, and rising inflation.
Geopolitics & Diplomacy
- Joe Biden was inaugurated as the 46th president of the United States on January 20. Executive orders signed in the first days reversed Trump-era policies on climate, immigration, and international agreements.
- The United States completed its withdrawal from Afghanistan on August 31 after twenty years of military presence. The Taliban seized control of Kabul on August 15, triggering a chaotic evacuation of over 120,000 people.
- The AUKUS security pact was announced in September by President Biden, Prime Minister Scott Morrison of Australia, and Prime Minister Boris Johnson of the United Kingdom, providing Australia with nuclear-powered submarine technology.
- Chinese President Xi Jinping and President Biden held a virtual summit in November, addressing Taiwan, trade, and strategic competition without producing binding agreements.
- The European Union and the United Kingdom negotiated post-Brexit trade arrangements throughout the year. Northern Ireland Protocol disputes created persistent friction between London and Brussels.
- Ethiopian Prime Minister Abiy Ahmed's government escalated military operations in Tigray, drawing international condemnation and calls for humanitarian access from the United Nations and African Union.
- Russian President Vladimir Putin ordered a major military buildup along the Ukrainian border beginning in the spring. By December, an estimated 100,000 troops were positioned near Ukraine.
- German Chancellor Angela Merkel left office in December after sixteen years. Olaf Scholz succeeded her as chancellor, leading a coalition of the Social Democrats, Greens, and Free Democrats.
- Iranian nuclear negotiations resumed in Vienna under the Joint Comprehensive Plan of Action framework. Progress remained limited as hardliner Ebrahim Raisi assumed Iran's presidency in August.
- COP26 convened in Glasgow under UK presidency. Nearly 200 nations adopted the Glasgow Climate Pact, which for the first time explicitly referenced the phasedown of coal power.
Conflict & Security
- The Taliban captured all major Afghan cities within ten days in August, culminating in the fall of Kabul on August 15. The Afghan government and military collapsed with minimal resistance.
- The conflict in Ethiopia's Tigray region expanded into neighboring Amhara and Afar regions. The Tigray People's Liberation Front advanced toward Addis Ababa before a partial ceasefire was negotiated.
- A military coup in Myanmar on February 1 overthrew the elected government of Aung San Suu Kyi. Mass protests and a civil disobedience movement were met with lethal force, killing over 1,500 civilians by year-end.
- Israel and Hamas exchanged eleven days of intensive fighting in May. Israeli airstrikes killed over 250 Palestinians in Gaza, while Hamas rocket fire killed 13 people in Israel.
- A ransomware attack on Colonial Pipeline in May disrupted fuel supply across the U.S. East Coast for several days. The DarkSide criminal group was identified as responsible.
- Jihadist insurgency intensified in Mozambique's Cabo Delgado province. Rwandan and Southern African Development Community forces deployed to support the Mozambican military.
- The Islamic State continued attacks in Iraq and Syria despite territorial defeat. A January suicide bombing in central Baghdad killed over 30 people.
- Haiti's President Jovenel Moise was assassinated on July 7 in his private residence in Port-au-Prince. The killing deepened political instability and gang violence across the country.
- Cybersecurity threats escalated globally. Response and remediation from the SolarWinds breach disclosed in late 2020 continued across U.S. government agencies and private firms.
- China tested a hypersonic glide vehicle system in July that demonstrated long-range capability, raising concern among U.S. defense officials about advances in strategic weapons technology.
Economy & Finance
- Inflation rose sharply in the United States, reaching 7% by December, the highest annual rate since 1982. Supply chain disruptions, labor shortages, and energy costs drove the increase.
- The U.S. Federal Reserve under Chair Jerome Powell maintained near-zero interest rates through most of the year but signaled tapering of asset purchases beginning in November.
- Global supply chains experienced severe disruption. Semiconductor shortages affected automotive, electronics, and industrial manufacturing across every major economy.
- The container ship Ever Given blocked the Suez Canal for six days in March, disrupting an estimated $9.6 billion in daily trade and exposing vulnerabilities in global shipping infrastructure.
- Bitcoin reached an all-time high above $68,000 in November. El Salvador became the first country to adopt Bitcoin as legal tender under President Nayib Bukele in September.
- China's Evergrande Group, one of the world's largest property developers, defaulted on offshore bond payments in December, raising concerns about systemic risk in China's real estate sector.
- The U.S. Congress passed the $1.2 trillion Infrastructure Investment and Jobs Act in November, funding roads, bridges, broadband, and water systems over the following decade.
- Global GDP rebounded approximately 6% after the pandemic contraction, though recovery remained uneven between advanced economies and developing nations with limited vaccine access.
- European natural gas prices surged to record levels beginning in the autumn, driven by reduced Russian supply, low storage levels, and high Asian demand.
- The OECD brokered a global minimum corporate tax agreement of 15%, signed by 136 countries, targeting profit shifting by multinational corporations.
Technology & Infrastructure
- Facebook rebranded as Meta Platforms in October. CEO Mark Zuckerberg announced a strategic pivot toward building the metaverse, a shared virtual environment concept.
- OpenAI introduced DALL-E in early 2021, demonstrating AI-generated images from text descriptions. The model signaled the emerging capabilities of multimodal generative systems.
- Apple introduced the M1 Pro and M1 Max processors, continuing its transition away from Intel-based architecture and establishing ARM-based chips as competitive for professional workloads.
- The global semiconductor shortage intensified. Automakers including Ford, General Motors, and Toyota cut production by millions of vehicles due to chip supply constraints.
- SpaceX launched 31 Falcon 9 missions, setting a company record. The Inspiration4 mission in September became the first all-civilian orbital spaceflight.
- The Log4Shell vulnerability discovered in December in the Apache Log4j library affected hundreds of millions of devices worldwide, triggering emergency patching across industries.
- China accelerated its crackdown on domestic technology companies. Regulators imposed fines and restrictions on Alibaba, Didi, Tencent, and others over antitrust and data security concerns.
- NFTs surged into mainstream attention. Digital artist Beeple sold a single artwork at Christie's for $69 million in March, sparking a speculative wave across the digital art market.
- 5G network deployment expanded significantly across the United States, Europe, South Korea, and China, though coverage remained concentrated in urban areas.
- Amazon founder Jeff Bezos and Virgin Galactic founder Richard Branson both completed suborbital space flights in July, marking the emergence of commercial space tourism for private passengers.
Science & Discovery
- COVID-19 mRNA vaccines developed by Pfizer-BioNTech and Moderna demonstrated sustained efficacy. Over 8.5 billion vaccine doses were administered globally by year-end.
- NASA's Perseverance rover landed on Mars on February 18 and deployed Ingenuity, the first powered flight on another planet, on April 19.
- The James Webb Space Telescope launched on December 25 from French Guiana after decades of development and delays, beginning its journey to the L2 Lagrange point.
- CRISPR gene-editing pioneer Jennifer Doudna and teams worldwide expanded therapeutic applications. Early-stage clinical trials for sickle cell disease and beta-thalassemia showed promising results.
- The IPCC released its Sixth Assessment Report Working Group I contribution in August, stating that human influence on the climate system was unequivocal.
- China's Zhurong rover landed on Mars in May, making China the second country to successfully operate a rover on the Martian surface.
- Physicists at Fermilab's Muon g-2 experiment published results in April suggesting the muon's magnetic moment deviated from Standard Model predictions, hinting at unknown physics.
- The first successful xenotransplantation procedure was performed in September when surgeons at NYU Langone Health attached a genetically modified pig kidney to a human patient on life support, with results publicly announced in October.
- Blue Origin's New Shepard vehicle conducted multiple crewed suborbital flights, expanding the commercial human spaceflight sector beyond SpaceX and Virgin Galactic.
- DeepMind's AlphaFold2 protein structure database was released publicly in July, providing predicted structures for nearly every known human protein and accelerating biological research.
Health & Medicine
- The COVID-19 Delta variant became the dominant global strain by mid-year, driving severe waves of infection in India, Southeast Asia, Europe, and the Americas.
- The Omicron variant was identified in South Africa in November and spread globally within weeks. Its high transmissibility triggered renewed travel restrictions and booster campaigns.
- India experienced a catastrophic second COVID-19 wave in April and May. Daily confirmed deaths exceeded 4,000, with hospitals overwhelmed and oxygen supplies critically short.
- Global vaccine inequity remained stark. By year-end, less than 10% of the population in low-income countries had received a single dose, compared to over 70% in high-income nations.
- The United States authorized COVID-19 vaccines for children aged 5 to 11 in November. Booster doses were approved for adults beginning in September.
- The WHO under Director-General Tedros Adhanom Ghebreyesus established the mRNA vaccine technology transfer hub in South Africa to enable regional manufacturing capacity.
- Merck's molnupiravir and Pfizer's Paxlovid received emergency use authorizations as the first oral antiviral treatments for COVID-19, expanding treatment options beyond hospitalized patients.
- Mental health impacts of the pandemic deepened. Studies published throughout the year documented rising rates of anxiety, depression, and substance abuse across age groups globally.
- Healthcare worker burnout reached critical levels in multiple countries. Staff shortages driven by exhaustion and attrition strained hospitals and clinics worldwide.
- Malaria vaccine RTS,S received a historic WHO recommendation in October, the first vaccine endorsed for widespread use against a parasitic disease.
Climate & Environment
- The United States formally rejoined the Paris Agreement on January 20, restoring its participation in the global climate framework after a four-year absence.
- Extreme heat events intensified. A heat dome over the Pacific Northwest in June killed over 800 people in the United States and Canada. Lytton, British Columbia, recorded 49.6 degrees Celsius.
- Catastrophic flooding struck western Germany and Belgium in July, killing over 220 people and causing billions of euros in damage. The event was linked to intensifying rainfall patterns.
- COP26 in Glasgow produced the Glasgow Climate Pact. Over 100 countries pledged to reduce methane emissions by 30% by 2030 under the Global Methane Pledge.
- Wildfire seasons grew more severe. Siberian fires burned a record area exceeding that of all other countries combined. California's Dixie Fire became the state's largest single fire in history.
- Global carbon dioxide emissions rebounded by approximately 6% after the pandemic-related decline, returning to near pre-pandemic levels.
- Deforestation in the Brazilian Amazon reached a 15-year high under President Jair Bolsonaro's government, with over 13,000 square kilometers cleared.
- China pledged to achieve carbon neutrality by 2060 but increased coal power plant approvals in the short term to address energy shortages.
- The International Energy Agency published its landmark Net Zero by 2050 roadmap in May, calling for an immediate end to new fossil fuel supply projects.
- Madagascar experienced its worst drought in 40 years, pushing over one million people toward famine conditions in the southern part of the island.
Culture & Society
- Supporters of President Trump stormed the United States Capitol on January 6, disrupting the certification of the 2020 presidential election. Five people died and over 140 officers were injured.
- The #StopAsianHate movement grew in response to a surge in anti-Asian violence in the United States. A shooting in Atlanta on March 16 killed eight people, six of whom were Asian women.
- The Tokyo Summer Olympics were held from July 23 to August 8 after a one-year pandemic postponement. Events took place without spectators under strict COVID-19 protocols.
- Squid Game, a South Korean survival drama, became Netflix's most-watched series, reaching over 142 million households within its first four weeks and demonstrating the global reach of Korean content.
- Global population reached approximately 7.9 billion. The United Nations projected the population would peak later in the century than previously estimated due to accelerating fertility declines.
- The Pandora Papers investigation published in October exposed offshore financial holdings of over 330 politicians and public officials from 91 countries.
- Critical race theory became a polarizing political issue in the United States, with multiple state legislatures passing laws restricting how race and history could be taught in public schools.
- Press freedom continued to decline globally. Reporters Without Borders documented a deterioration in journalist safety and media independence across every global region.
- Britney Spears' conservatorship was terminated in November after thirteen years, following the #FreeBritney movement and public legal proceedings that drew international attention.
- Labor organizing efforts expanded in the United States. An Amazon warehouse election in Bessemer, Alabama, drew national attention, though the initial union vote failed before being contested.