2023 Diamond League In athletics, Faith Kipyegon of Kenya sets a new women's mile record, finishing the Herculis at Stade Louis-II in Fontvieille, Monaco, in 4:07.64 and surpassing the previous 2019 record held by Sifan Hassan of the Netherlands.
2023 Leagues Cup In association football, Lionel Messi makes his North American debut for Major League Soccer club Inter Miami CF in the Leagues Cup group stage match against Liga MX club Cruz Azul. During the final minutes of the game, he scored a goal to help Miami win the game.
Iran–United States relations The US military deploys Marines and other assets to the Persian Gulf in response to seizures and attempted seizures of shipping by naval forces of Iran.
2023 Guatemalan general election Police raid the headquarters of the opposition party Movimiento Semilla and presidential candidate Bernardo Arévalo in Guatemala City, Guatemala.
Mass stabbing One person is killed and three others are injured in a mass stabbing near a subway station in Seoul, South Korea. The attacker is apprehended.
Opposition to Vladimir Putin in Russia Police detain former intelligence officer, separatist commander and Angry Patriots Club leader Igor Girkin for alleged extremism.
Nigeria Nigeria's northwestern Kaduna State reports an outbreak of diphtheria, which has killed 10 children since early July.
Gambia cough syrup scandal The Gambian government identifies imported Indian cough syrups as the cause of at least 70 child deaths to kidney failure, leading to regulatory changes and potential legal action against the manufacturer, Maiden Pharmaceuticals. The World Health Organization confirms lethal antifreeze substances in the syrups.
Wet market A wet market in Tomohon, North Sulawesi, Indonesia, becomes the country's first market to cease the cat and dog meat trade following prolonged campaigning by local activists and global figures, supported by the Humane Society International.
Yemeni civil war A World Food Programme employee is killed by unknown assailants in Taiz, Yemen, with security forces launching a pursuit of the individuals responsible.
2023 Sudan conflict At least 20 civilians are killed and more than 45 others are injured by rocket attacks on residential areas in Nyala, South Darfur, and shelling in proximity to hospitals in El-Obeid, North Kordofan, as per reports from medical professionals and lawyers.
Russian invasion of Ukraine The Russian Armed Forces strike a building in Mykolaiv, killing two civilians.
The Russian Armed Forces strike grain warehouses in Odesa with Kalibr missiles, destroying 120 tons of crops and injuring two civilians, according to Governor Oleh Kiper.