(FILES) Outgoing Nigerian President Muhammadu Buhari looks on at the presidential fleet review held at the Naval Dockyard in Lagos on May 22, 2023. Former Nigerian president Muhammadu Buhari -- who led his country first as a military strongman and later as an elected democrat -- died on July 13, 2025, at the age of 82, an aide said. (Photo by Samuel Alabi / AFP)