September 22, 2018 (Saturday)
Armed conflicts and attacks
- 2018 Ahvaz military parade attack
- Four unknown gunmen, wearing military uniforms, open fire during a military parade to commemorate the Iran–Iraq War in Ahvaz, Khuzestan, Iran, killing 25 people and wounding up to 60. Both the Islamic State and Ahvaz National Resistance claim responsibility. (Reuters)
- War in Afghanistan
- Somali Civil War
- A U.S. airstrike kills 18 Al Shabaab militants north of Kismayo, Somalia. The militants were engaged in an attack on U.S. and local forces. (CBC News)
- Pakistan’s military says security forces have raided militant hideouts, setting off a shootout that leaves seven soldiers and nine militants dead. (The Washington Post)
Arts and culture
- Pope Francis's visit to the Baltic States
- Pope Francis arrives in Vilnius, Lithuania, on his visit to the Baltic States. (Catholic News Agency)
- Portuguese discoveries, History of Portugal
Disasters and accidents
- MV Nyerere sinking
- The death toll of the MV Nyerere sinking in Lake Victoria, Tanzania, rises to 207. Several people are still missing. (BBC)
- The death toll of a cholera outbreak in Yobe and Borno, Nigeria, rises to 97. (Rappler)
- 2018 lower Puna eruption
- Hawaiʻi Volcanoes National Park reopens after 134 days of closure due to volcanic activity at Kilauea that damaged park infrastructure. (Maui Now) (NBC News)
International relations
- China–Holy See relations
- The Vatican signs a provisional agreement with China on the process used to appoint bishops, a breakthrough after years of contentious negotiations on the management of Catholic leadership in the communist country. (The Washington Post)
Science and technology
- Hayabusa2
- The Japanese space agency JAXA announces that a pair of 18-centimetre (7.1 in) tall robots successfully landed on asteroid Ryugu. (Space.com)