Complex sentence: In March 1929, Chapman acquired United States Lines from the U.S. Shipping Board along with 11 ships, and on April 14,1929 a flag raising ceremony was held on board the S.S. Leviathan, marking the official company change.
Split into simpler sentences: In March 1929, Chapman acquired United States Lines from the U.S. Shipping Board along with 11 ships. A flag raising ceremony was held on board the S.S. Leviathan on April 14,1929, marking the official company change.