Complex sentence: The German naturalist, Brehm, gave a very detailed description of the Chinese Lop-Eared cat in 1796, when a droop-eared cat brought back from China by a traveller.
Split into simpler sentences: The German naturalist, Brehm, gave a very detailed description of the Chinese Lop-Eared cat in the 1700s. In 1796, when a droop-eared cat brought back from China by a traveller.