Former federations

The Comoros, officially the Union of the Comoros, is an archipelagic country made up of three islands in Southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. Its capital and largest city is Moroni. The religion of the majority of the population—and the official state religion—is Islam. Comoros proclaimed its independence from France on 6 July 1975. The Comoros is the only country of the Arab League which is entirely in the Southern Hemisphere. It is a member state of the African Union, the Organisation internationale de la Francophonie, the Organisati

federal republic (1992–2003) and political union (2003–2006) in the Balkans

French colonial federation in west Africa from 1895 to 1958

former federation of French colonial possessions in Central Africa

British territory from 1953 to 1963

Ionian Islands under British protection (1815–1864), then ceded to the Kingdom of Greece

ancient confederation of Latin city-states for mutual defense

former British colony (1671–1816), reunited later as a federal colony (1833–1960), located in the Caribbean

former British colony (1833–1959)

Airgíalla (; Modern Irish: Oirialla, English: Oriel, Latin: Ergallia) was a medieval Irish over-kingdom and the collective name for the confederation of tribes that formed it. The confederation consisted of nine minor kingdoms, all independent of each other but paying nominal suzerainty to an overking, usually from the most powerful dynasty. Airgíalla at its peak roughly matched the modern dioceses of Armagh and Clogher, spanning parts of counties Armagh, Monaghan, Louth, Fermanagh, Tyrone and Londonderry. Its main towns were Armagh and Clogher. The name's usage survives as a cultural area of

political entities of Southeast Asia that functioned like self-governing states

British colony (1891–1901)