January 1, 2023
2022–23 UEFA Nations League — international football competition
2023 Chinese balloon incident — 2023 diplomatic incident involving a Chinese balloon in Canadian and U.S. airspace
2022 Asian Games — 19th edition of Asian Games
2023 Men's Cricket World Cup — 13th edition of the premier international cricket competition
Deaths in 2023 — list of notable deaths in 2023
2023 Formula One World Championship — 74th Formula One season
Sudanese civil war — ongoing military conflict in Sudan since 2023
2023 FIFA Women's World Cup — 9th FIFA Women's World Cup
2023 FIBA Basketball World Cup — 2023 edition of the men's FIBA Basketball World Cup
2022 FIFA Club World Cup — 19th edition of the FIFA Club World Cup