Riversball is Iranian state a stateball of 
Nigeriaball and it can into river because it`s name.
History
Riversball was born as an 
Nokball. He was then adopted by 
British Empireball, British Nigeriaball, then Nigeriaball.
| Federal
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| States |  Abujaball •  Abiaball •  Adamawaball • .png){kind=icon} Akwa Ibomball • Anambraball • Bauchiball •  Bayelsaball • Benueball •  Bornoball •  Cross Riverball •  Deltaball • Ebonyiball •  Edoball •  Ekitiball • Enuguball •  Gombeball • Imoball • Jigawaball • Josball •  Kadunaball •  Kanoball •  Katsinaball • Kebbiball •  Kogiball •  Kwaraball •  Lagosball •  Nasarawaball • Nigerball •  Ogunball •  Ondoball •  Osunball •  Oyoball • Plateauball •  Riversball • Sokotoball • Tarababall •  Yobeball • Zamfaraball
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| Former entities | Migrants from East • Nok Civilizationball •  Kanem Empireball •  Bornu Empireball • Kingdom of Kanoball • Sultanate of Kanoball • Kano Emirateball •  Kingdom of Hausaball •  Sokoto Caliphateball •  Benin Empireball • Oyo Empireball • Aro Confederacyball • Kingdom of Nriball • Wukari Federationball •  British Northern Nigeriaball •  British Southern Nigeriaball •  British Nigeriaball •  Biafraball
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