Robert Metcalfe American engineer Robert Metcalfe wins this year's Turing Award for the invention of Ethernet.
Luis Caffarelli Argentine mathematician Luis Caffarelli wins this year's Abel Prize "for his seminal contributions to regularity theory for nonlinear partial differential equations including free-boundary problems and the Monge–Ampère equation". He becomes the first Latin American to win this prize.
2023 vote of no confidence in the government of Pedro Sánchez Spanish Prime Minister Pedro Sánchez's government survives a second vote of no confidence presented by far-right party Vox, with independent Ramón Tamames as its candidate.
Jihadist insurgency in Burkina Faso Ten volunteers and four Burkina Faso Armed Forces soldiers are killed during an ambush in Centre-Nord Region, Burkina Faso. Twenty attackers are killed.
Yemeni Civil War Ten Yemeni soldiers are killed by Houthi Islamists in Harib District, Marib Governorate, despite a truce reached between the government and the rebels on Monday.
Russian invasion of Ukraine A Russian drone strike in Rzhyshchiv kills at least nine civilians and injures 29 others.
A Russian missile strike on an apartment building in the city of Zaporizhzhia kills a civilian and injures 25 others.