In 1885 the Holy Ghost Fathers (Spiritans), a Catholic missionary order, established a permanent mission at Onitsha on the eastern bank of the Niger. From this base, the Catholic Church built the school, seminary and clinic infrastructure that would define formal institutional life across the Eastern Region.
By the early twentieth century the Catholic Mission operated a dense network of primary schools, teacher-training colleges and grammar schools across what is now Anambra, Imo, Enugu and Abia States. Several of Nigeria’s most influential post-independence figures were trained inside this network.
The Onitsha mission also became one of West Africa’s most important Catholic ecclesiastical centres, with a printing press, a major basilica and a teacher-training tradition that continues today.