Complex sentence: One of the more notable of these was the Aba Nigeria Stake in 1988, with David W. Eka as president, being the first stake in the church staffed entirely by people of African descent.
Split into simpler sentences: One of the more notable of these was the organizing of the Aba Nigeria Stake in 1988, with David W. Eka as president. This was the first stake in the church staffed entirely by people of African descent.