TechnologyGlobal
OpenAI releases GPT-4 with text and image input capabilities
The company introduced a more capable language model through ChatGPT and an API, while documenting persistent reliability and safety limitations.
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EconomyNew York, United States
New York regulators close Signature Bank
State authorities placed the bank into FDIC receivership two days after Silicon Valley Bank failed, citing a crisis of confidence and deposit flight.
EconomyCalifornia, United States
California regulators close Silicon Valley Bank after rapid deposit run
The Federal Deposit Insurance Corporation took control after the bank failed to raise capital and depositors attempted large withdrawals.
ClimateSouthern Türkiye and northern Syria
Powerful earthquakes devastate southern Türkiye and northern Syria
Magnitude 7.8 and 7.5 earthquakes struck within hours, collapsing buildings across a wide region and causing tens of thousands of deaths.
PolicyCroatia
Croatia joins euro area and Schengen free-travel zone
The country adopted the euro and removed routine land-border checks with other Schengen members on the first day of 2023.
ClimateMontreal, Canada
Countries adopt Kunming-Montreal Global Biodiversity Framework
The UN biodiversity conference agreed a 2030 framework including targets to conserve 30 percent of land and sea and mobilize more finance.
SocietyChina
China announces nationwide relaxation of major zero-COVID controls
Ten new measures reduced mass testing and centralized quarantine requirements, accelerating an abrupt shift away from containment policy.
EconomyG7, European Union and Australia
G7 price cap on seaborne Russian crude oil takes effect
A 60-dollar-per-barrel ceiling became a condition for access to participating countries' maritime services, alongside the EU embargo on Russian crude.
TechnologyGlobal
OpenAI releases ChatGPT as a public research preview
The conversational system opened to public users, making a reinforcement-trained language model widely accessible and rapidly attracting attention.
ClimateSharm el-Sheikh, Egypt
COP27 agrees to create loss-and-damage funding arrangements
Parties decided to establish a fund and wider financing arrangements for vulnerable developing countries facing climate-related loss and damage.
TechnologyKennedy Space Center, Florida
NASA launches uncrewed Artemis I mission around the Moon
The first Space Launch System rocket sent an Orion spacecraft on a test flight beyond the Moon before future missions with astronauts.
SecurityKherson, Ukraine
Ukrainian forces regain control of Kherson city
Ukraine's military entered the regional capital after Russian forces withdrew across the Dnipro, ending more than eight months of occupation.
EconomyUnited States and Bahamas
FTX companies file for Chapter 11 bankruptcy
The exchange and more than one hundred affiliates sought court protection after a liquidity crisis, and Sam Bankman-Fried resigned as chief executive.
PoliticsBrazil
Luiz Inacio Lula da Silva wins Brazil's presidential runoff
The former president narrowly defeated incumbent Jair Bolsonaro, securing a third non-consecutive term in a highly polarized election.
TechnologyUnited States
Elon Musk completes $44 billion acquisition of Twitter
The deal took Twitter private after months of litigation and placed the social network under Musk's control.
PolicyRome, Italy
Giorgia Meloni becomes Italy's prime minister
Meloni took office at the head of a right-wing coalition, becoming the first woman to lead an Italian government.
SecurityKerch Strait
Explosion damages Kerch Strait Bridge linking Russia and occupied Crimea
A blast and fire collapsed road spans and disrupted the rail crossing, a key military and civilian supply link to Crimea.
SecurityUkraine and Russia
Russia proclaims annexation of four partly occupied Ukrainian regions
President Vladimir Putin signed documents claiming Donetsk, Luhansk, Kherson and Zaporizhzhia after staged votes rejected as illegal by Ukraine and the UN.
SecurityBaltic Sea
Explosions rupture Nord Stream gas pipelines in Baltic Sea
Underwater blasts damaged Nord Stream 1 and 2 near Denmark and Sweden, causing major methane leaks and triggering multinational sabotage investigations.
TechnologyDidymos asteroid system
NASA's DART spacecraft changes asteroid moonlet's orbit
The probe struck Dimorphos in the first full-scale test of asteroid deflection, and observations later confirmed that its orbital period shortened.