2023 World Chess Championship Ding Liren defeats Ian Nepomniachtchi in tiebreak games, becoming the 17th World Chess Champion.
2023 Stanley Cup playoffs The Boston Bruins, who had previously set new NHL records for wins and points in a single season, are upset in the first round of the playoffs by the Florida Panthers, losing game 7 in overtime after having led the series 3 games to 1.
2023 French Polynesian legislative election Citizens of French Polynesia head to the polls to elect the 57 members of the Assembly.
Iranian Law Enforcement Command Major Alireza Shahraki, chief of the Iranian Law Enforcement Command, Organization Criminal Investigation Department of Saravan County, Sistan and Baluchistan, Iran is killed in an armed attack.
2023 Bodmin mass stabbing A mass stabbing outside a nightclub in Bodmin, Cornwall, United Kingdom, leaves one person dead and seven others injured. A suspect has been arrested and charged with murder by Devon and Cornwall Police.
2023 Setúbal shooting A man in Setúbal, Portugal, shoots and kills three men during a dispute at a pigeon race, before killing himself.
2023 Ludhiana gas leak disaster Eleven people are killed and nine others are injured in a gas leak in Ludhiana, Punjab, India.
War against the Islamic State Turkish President Recep Tayyip Erdoğan announces that the Turkish National Intelligence Organization has tracked down and killed the Caliph of the Islamic State Abu al-Hussein al-Husseini al-Qurashi in Syria.