September 17, 2023 (Sunday)
Armed conflicts and attacks
- Russian invasion of Ukraine
- 2023 Ukrainian counteroffensive
- Ukraine says that it has recaptured the village of Klishchiivka, near Bakhmut, in Donetsk Oblast. (Reuters)
- 2023 Ukrainian counteroffensive
Business and economy
- 2023 United Auto Workers strike
- United Auto Workers president Shawn Fain rejects an offer of a 21% wage increase from Chrysler parent company Stellantis as the strike enters its third day. (CBS News)
Disasters and accidents
- A United States Marine Corps pilot ejects from his F-35 fighter jet above North Charleston, South Carolina. The pilot lands safely, while the aircraft is missing, with search efforts focused on two nearby lakes. (AP)
International relations
- North Korea–Russia relations
- The 2023 North Korea–Russia summit concludes, with Kim Jong Un departing from Artyom, located north of the port of Vladivostok. (CNN)
Sports
- 2023–24 NHL season
- In ice hockey, Mike Babcock resigns as the head coach of the Columbus Blue Jackets before coaching a game for the team, amidst an NHL Players Association investigation into his alleged requests for personal photos of players. (AP)
- Team Jumbo–Visma wins all three Grand Tours of the 2023 UCI World Tour, after Sepp Kuss wins the 2023 Vuelta a España. (AD)