Armed conflicts and attacks
- Russian invasion of Ukraine
- Makiivka military quarters shelling
- The Russian defense ministry increases the death toll of soldiers from a December 31 Ukrainian missile attack in Makiivka, Donetsk Oblast, to 89. The ministry attributes the casualties to the soldiers' use of mobile phones with tracking systems. (AFP via ABS-CBN News)
- Makiivka military quarters shelling
- Mexican drug war
- Aftermath of the 2023 Ciudad Juárez prison attack
- Five gunmen and two members of the security forces are killed during a shootout while searching for 30 inmates who escaped two days ago during an armed attack on a prison in Ciudad Juárez, Chihuahua, Mexico. Ten prison guards and seven inmates were killed during the attack. (BBC News)
- Aftermath of the 2023 Ciudad Juárez prison attack
- Yemeni Civil War
- Five people are killed and many more wounded during a gunfight between Houthi militants and Yemeni soldiers in Taiz. (Xinhua)
- Israeli–Palestinian conflict
- The visit of the Israeli Minister of National Security Itamar Ben-Gvir to the Temple Mount in Jerusalem results in protests by Palestinians as well as condemnation of the visit by several Arab countries, who consider the site to be part of the Al-Aqsa Mosque. (BBC News) (Al Jazeera)
- Jihadist insurgency in Burkina Faso
- Twenty-eight civilians are found dead in the town of Nouna, in northwest Burkina Faso. Burkinabé human rights groups say that the killings were perpetrated by pro-government militia VDP on December 15, 18, and 22. (Atlas) (Reuters)
Business and economy
- 2021–2023 global energy crisis
- 2022–2023 Pakistan economic crisis
- The government orders the closure of all shopping malls and retail markets by 8:30 p.m. (PKT) daily as part of an energy conservation plan to offset increasing energy prices. (Reuters)
- 2022–2023 Pakistan economic crisis
Politics and elections
- 2023 Speaker of the United States House of Representatives election
- The 118th United States Congress begins, with the House Speaker election heading to multiple ballots for the first time in 100 years after Kevin McCarthy fails to receive the required number of votes on the first three ballots. (ABC News)
Sports
- 2022–23 snooker season
- The World Professional Billiards and Snooker Association suspends Chinese players Zhang Jiankang and Zhao Xintong from the World Snooker Tour as part of a match-fixing investigation involving ten Chinese players. (AFP via France 24)
- 2023 PDC World Darts Championship
- Michael Smith wins the PDC World Darts Championship after defeating Michael van Gerwen 7–4 in the final, winning his first world title and reaching world number one on the PDC Order of Merit for the first time. (Sky Sports)