Kingdoms & Monarchies

The 1895 Akassa raid's flashpoint; the Akassa stool was suppressed under RNC rule.

Hosts Oloibiri (first commercial oil well, 1956). The Ogbia were the cradle of Isaac Adaka Boro's 1966 Twelve-Day Revolution.

Female Egbesu priesthood documented at Kolokuma; the *Egbesu* war-cult animated the 1998 Kaiama Declaration militants.

Western Ijaw clans; Pere ("king") title used across the Mein–Tarakiri belt.

Bayelsa Ijaw town destroyed by federal troops on 20 Nov 1999 under Obasanjo (Operation Hakuri II); see Odi Massacre.

• Alagoa, *A History of the Niger Delta* (1972).
• Ikime, *Merchant Prince of the Niger Delta* (1968).
• Tamuno, *The Evolution of the Nigerian State* (1972).

Brass / Nembe was the classic case of monetary asphyxiation: the Royal Niger Company's sterling-tariff monopoly on the Niger cut the Nembe trading houses off from their upriver palm-oil hinterland and from the cowrie-credit network they depended on. The result was the Akassa Raid of 29 January 1895, when Amanyanabo Frederick William Koko led ~1,500 Nembe warriors against the RNC depot at Akassa — the most explicit anti-RNC kingdom revolt of the conquest era. The British retaliated by sacking Nembe in February 1895. See How the currency fell before the flag.

• [Principal historic polity — TBC] → [1900 Native Authority — TBC] → [1976 LGA — TBC] → [today's Federal Constituency — TBC]
• [Secondary polity / sub-emirate / clan — TBC] → [1900 NA — TBC] → [1976 LGA — TBC] → [today's Federal Constituency — TBC]
• [Minority / highland / clan throne — TBC] → [1900 NA — TBC] → [1976 LGA — TBC] → [today's Federal Constituency — TBC]

*Each row is a unit of continuous administrative life — the same population, in the same district, under successive labels. Read across to see what the British Native Authority captured, what Murtala's 1976 LGA reform redrew, and what today's Federal Constituency makes electorally visible. TBC = to be confirmed from the state's chieftaincy gazette, NA Ordinance files (NAK / NAI), and the INEC delimitation map.*

In the Ijaw and Niger Delta city-states the consort of an *Amanyanabo* holds no crowned office of her own; authority among women runs instead through the Egbelesuo and the house (*wari*) system, where a senior woman may head a trading house in her own name. The Kalabari and Nembe courts style the Amanyanabo's principal wife Ada or, in the Christianised nineteenth-century houses, simply "Her Royal Majesty" as a courtesy. The functional female office is the Iyalode-equivalent market head, and, in Okrika and Bonny, the *Erelu*-style women's council chair.

Bayelsa's thrones — the Amanyanabo of Nembe, the Amanyanabo of Twon-Brass, the Ibenanaowei of Kolokuma, Ogbia, Ekpetiama and Gbarain — sit over communities where the oil-lease consent chain runs through the same houses. Where a "Queen" appears in a Bayelsa palace list she is ordinarily a house head or a chief's widow holding the house in trust, not a crowned consort.