2023 ''League of Legends'' World Championship In esports, South Korean team T1 wins a record-extending fourth World Championship in the multiplayer online battle arena video game "League of Legends", after defeating Chinese team Weibo Gaming 3–0 in the final.
2023 Cricket World Cup In cricket, Australia wins a record sixth World Cup title after defeating host nation India by six wickets in the final. India's Virat Kohli is named player of the tournament.
2023 CFL season In Canadian football, the Montreal Alouettes defeat the Winnipeg Blue Bombers 28–24, claiming their eighth Canadian Football League championship title.
2023 ATP Tour In tennis, Serbian Novak Djokovic wins a record seventh ATP Finals singles title after defeating Italian Jannik Sinner in two sets, 6–3, 6–3, in the final. Djokovic, who successfully defended his title, surpasses Roger Federer's total of six titles.
2023 Argentine general election Javier Milei of La Libertad Avanza is elected president after beating Peronist Sergio Massa 56% to 44% in the second round run-off.
China–Myanmar relations Pro-military junta nationalists stage protests against China outside the Chinese embassy and Yangon City Hall in Yangon, Myanmar, accusing the Chinese government of secretly backing rebel forces in Shan State.
Passenger train Eleven people are killed when a passenger train hits their minibus on a no-barrier level crossing in Lumajang, East Java, Indonesia.
2023 Africa floods The death toll from the floods in Kenya, Somalia, and Ethiopia, increases to 130 people. The Somali town of Beledweyne has been completely submerged after the Shebelle River burst its banks, forcing 90% of the population out of their homes, while 30,000 people are displaced in Kenya as hundreds of homes have been destroyed.
Optus Optus CEO Kelly Bayer Rosmarin resigns following a network outage in Australia that took down its phone and internet services nationwide for 14 hours earlier this month.
French emperor One of French emperor Napoleon's bicorne hats is sold for a record 1.93 million (around US$2.11 million) at an auction in France.
War in Sudan At least 32 people are killed and 20 others are injured in a mass shooting against two villages in Abyei, an area that is disputed between Sudan and South Sudan.
Russian invasion of Ukraine The Ukrainian military shells Russian-occupied Kalmiuske Raion, Donetsk Oblast, striking a dance hall in Kumachove during a performance, killing about 20 Russian troops and Russian actress Polina Menshikh.
2023 Israel–Hamas war Houthi spokesman Yahya Sarea declares the group's intention to target ships that are owned or operated by Israeli companies, or are flying the Israeli flag.
The Houthi movement hijacks the British cargo ship "Galaxy Leader Galaxy Leader" operated by a Japanese company and partially owned by an Israeli businessman in the Red Sea.