Gambian opposition leader and journalist for the "Foroyaa" newspaper, Halifa Sallah, is arrested.
- A mass grave containing the bodies of 12 people is discovered in The Gambia. The victims were allegedly killed in 2005 by paramilitary forces controlled by former president Yahya Jammeh, according to human rights groups.
- Erin Energy, a Texas company specialising in African offshore oil deposits with licences to explore off Nigeria, The Gambia, Ghana, and Kenya, files for bankruptcy protection.
- The Gambia formally rejoins the Commonwealth five years after its former President Yahya Jammeh withdrew the West African country, calling it a "neocolonial institution".
- The Gambia's justice minister Abubacarr Tambadou states that the country will establish a Truth and Reconciliation Commission "within the next six months" to investigate allegations of abuse dating from the time of former President Yahya Jammeh. According to Tambadou, public hearings are scheduled to get underway by year's end.
- British Foreign Secretary Boris Johnson, during a visit to the Gambia, announces that the West African nation is to rejoin the Commonwealth of Nations following talks with Gambian President Adama Barrow. The Gambia withdrew from the Commonwealth in 2013 under Yahya Jammeh, who considered it a "neo-colonial institution".