Gaius Julius Caesar was Roman.
Muhammadu Buhari became President following the Nigerian general election , 2015 .. Muhammadu Buhari. Muhammadu Buhari. President. President of Nigeria. The following is a list of international presidential trips made by Muhammadu Buhari as the 15th President of Nigeria .. Muhammadu Buhari. Muhammadu Buhari. President. President of Nigeria. 15th President of Nigeria. List of Presidents of Nigeria