| State
|
Mgbe amere ya
|
Preceding Entity
|
|---|
| Abia State
|
27 Ọgọọst 1991
|
Imo State
|
| Adamawa State
|
27 Ọgọọst 1991
|
Gongola State
|
| Akwa Ibom State
|
23 Septemba 1987
|
Cross River State
|
| Anambra State
|
27 Ọgọọst 1991
|
(old) Anambra State
|
| Bauchi State
|
3 Febrụwarị 1976
|
North-Eastern State
|
| Bayelsa State
|
1 Ọktoba 1996
|
Rivers State
|
| Benue State
|
3 Febrụwarị 1976
|
Benue-Plateau State
|
| Borno State
|
3 Febrụwarị 1976
|
North-Eastern State
|
| Cross River State
|
27 Mee 1967
|
Eastern Region, Nigeria; akpowa ya South-Eastern State site 1967 ruru 1976.
|
| Delta State
|
27 Ọgọọst 1991
|
Bendel State
|
| Ebonyi State
|
1 Ọktoba 1996
|
Enugu State na Abia State
|
| Edo State
|
27 Ọgọọst 1991
|
Bendel State
|
| Ekiti State
|
1 Ọktoba 1996
|
Ondo State
|
| Enugu State
|
27 Ọgọọst 1991
|
(old) Anambra State
|
| Gombe State
|
1 Ọktoba 1996
|
Bauchi State
|
| Imo State
|
3 Febrụwarị 1976
|
East Central State
|
| Jigawa State
|
27 Ọgọọst 1991
|
Kano State
|
| Kaduna State
|
27 Mee 1967
|
Northern Region, Nigeria; akpowa ya North-Central State site 1967 ruru 1976.
|
| Kano State
|
27 Mee 1967
|
Northern Region, Nigeria
|
| Katsina State
|
23 Septemba 1987
|
Kaduna State
|
| Kebbi State
|
27 Ọgọọst 1991
|
Sokoto State
|
| Kogi State
|
27 Ọgọọst 1991
|
Kwara State; Benue State
|
| Kwara State
|
27 Mee 1967
|
Northern Region, Nigeria; akpowa ya West Central State site 1967 ruru 1976.
|
| Lagos State
|
27 Mee 1967
|
Federal Territory of Lagos and Colony Province
|
| Nasarawa State
|
1 Ọktoba 1996
|
Plateau State
|
| Niger State
|
3 Febrụwarị 1976
|
North-Western State
|
| Ogun State
|
3 Febrụwarị 1976
|
Western State
|
| Ondo State
|
3 Febrụwarị 1976
|
Western State
|
| Osun State
|
27 Ọgọọst 1991
|
Oyo State
|
| Oyo State
|
3 Febrụwarị 1976
|
Western State
|
| Plateau State
|
3 Febrụwarị 1976
|
Benue-Plateau State
|
| Rivers State
|
27 Mee 1967
|
Eastern Region, Nigeria
|
| Sokoto State
|
3 Febrụwarị 1976
|
North-Western State
|
| Taraba State
|
27 Ọgọọst 1991
|
Gongola State
|
| Yobe State
|
27 Ọgọọst 1991
|
Borno State
|
| Zamfara State
|
1 Ọktoba 1996
|
Sokoto State
|
| Abuja Federal Capital Territory
|
3 Febrụwarị 1976
|
Benue-Plateau, North-Central, na North-Western States
|
