Complex sentence: In 1877 Guinness founded the Livingstone Inland Mission, in 1888, the Congo-Baolo Mission, and in 1898 initiated the Regions Beyond Missionary Union.
Split into simpler sentences: In 1877 Guinness founded the Livingstone Inland Mission. In 1888, the Congo-Baolo Mission, and in 1898 initiated the Regions Beyond Missionary Union.