OpenAI releases the chatbot ChatGPT, which quickly reaches hundreds of millions of users and drives a wave of generative artificial intelligence.
Russia launches a full-scale military invasion of Ukraine, starting the largest war in Europe since the Second World War and displacing millions of people.
The James Webb Space Telescope, a NASA–ESA–CSA collaboration, is launched from French Guiana to observe the early universe in infrared.
During President Joe Biden's visit to Hanoi, the two countries upgrade relations to a Comprehensive Strategic Partnership.
The World Health Organization declares the COVID-19 outbreak a global pandemic.
Israel signs US-brokered agreements normalising relations with the United Arab Emirates and Bahrain.
The United Kingdom gives the first doses of the fully authorised Pfizer–BioNTech COVID-19 vaccine, beginning a global vaccination campaign.