Complex sentence: Chalmette Monument and Grounds established March 4,1907; transferred from the War Department August 10,1933; redesignated Chalmette National Historical Park August 10,1939.
Split into simpler sentences: Chalmette Monument and Grounds was established on March 4,1907; transferred from the War Department to the National Park Service on August 10,1933. It was redesignated Chalmette National Historical Park on August 10,1939.