Complex sentence: Louis Christophe François Hachette (May 5,1800-July 31,1864), French publisher, was born at Rethel in the Ardennes departement of France.
Split into simpler sentences: Louis Christophe François Hachette (May 5,1800-July 31,1864) was a French publisher. He was born at Rethel in the Ardennes "département" of France.