According to a message on his Twitter handle, President Muhammadu Buhari is special guest of honour while Chief Olusegun Obasanjo chairs the occasion to be attended by erstwhile heads of state and other prominent Nigerians.

Also billed for the event are President Alassane Ouattara of Cote d’Ivoire; one-time President John Dramani Mahama of Ghana; Generals Yakubu Gowon; Ibrahim Babangida and Abdusalami Abubakar as well as ex-VP Namadi Sambo.