Lagos Treaty of Cession
1861 forced cession of Lagos Island to the British Empire / From Wikipedia, the free encyclopedia
The Treaty of Cession, 6 August 1861 or the Lagos Treaty of Cession was a treaty between the British Empire and Oba Dosunmu of Lagos (spelt 'Docemo' in English documents) wherein Dosunmu, under the threat of military bombardment, ceded Lagos Island to Britain, whilst retaining the title and powers of Oba, subject to English laws.