Mauritius sues the United Kingdom due to prevention of the return of 2,000 residents forced out of the Chagos Islands during a 1960s lease to a U.S. air base.
The United Nations' International Tribunal for the Law of the Sea rules that the United Kingdom has no legal sovereignty over the Chagos Archipelago, and must return control of the islands back to Mauritius. The British Foreign Office rejects the ruling, saying that "Mauritius has never held sovereignty over the British Indian Ocean Territory and the UK does not recognise its claim".
A judge in the United Kingdom denies bail to WikiLeaks founder Julian Assange days after his extradition to the United States was blocked. The judge cited the risk of Assange escaping the extradition process or refusing to surrender to court if asked to do so. Assange's lawyers will appeal the decision whereas the U.S. Department of Justice continues to seek his extradition. Assange's partner urges the US to pardon him.
A judge in the United Kingdom blocks the extradition of WikiLeaks founder Julian Assange to the United States, citing that it would be "oppressive" to his mental health and also cites the likelihood of Assange committing suicide if he is sent to the United States. If convicted in the United States, Assange could face up to 175 years in prison. Mexican President Andrés Manuel López Obrador says that his country is willing to provide political asylum to Assange.
The United Kingdom misses a United Nations deadline to return control of the disputed Chagos Archipelago to Mauritius, prompting the government of Mauritius to call the UK an "illegal colonial occupier".
Prosecutors in Sweden reopen the rape allegation investigation against WikiLeaks founder Julian Assange. Swedish prosecutors mention their intent to seek extradition of Assange from the United Kingdom after he has served his 50-week prison sentence for skipping bail.
WikiLeaks founder Julian Assange is sentenced to 50 weeks in prison by a judge in the United Kingdom for breaching bail in 2012. Assange still faces possible extradition to the United States on charges of conspiracy to commit computer intrusion.
"The Daily Telegraph" publishes WikiLeaks cables stating that the United States provided Russia with the United Kingdom's serial numbers of every Trident missile, which are manufactured and maintained in the U.S. and supplied to Britain, in return for the Russians signing the "New START" treaty.