Nottingham Dick and Isaac Adaka Boro declared an independent state in this sub-national region in 1967, and militant groups currently active in this region include the Egbesu Boys.
One militant leader in this region authored the book 12 Days Revolution about his time fighting as a separatist in this sub-national region. Nottingham Dick and Isaac Adaka Boro declared an independent state in this sub-national region in 1967, and militant groups currently active in this region include the Egbesu Boys. The Kaiama Declaration was issued by one people, the Ijaw to protest environmental degradation here; MOSOP is another militant group in this region, which was formerly headed by Ken Saro-Wiwa and fights on behalf of the Ogoni people of this region. Henry Okah, Godswill Tamono, and Jomo Gbomoo have all claimed to have founded MEND, whose use of kidnappings and explosions in oil fields and refineries has been intended to secure independence for this region, the importance of which prompted Umaru Yar'Adua to choose Goodluck Jonathan as his vice-president. For 10 points, name this region at the mouth of a namesake river, which has long been at conflict with governments in Lagos and Abuja. 
One militant leader in this region authored the book 12 Days Revolution about his time fighting as a separatist in this sub-national region.
Niger Delta [or Niger River Delta; accept "Bayelsa State" or "Rivers State", but prompt on "Delta State";  prompt on "Nigeria"] 