Duke Leopold IV of Anhalt was a German nobleman who ruled the principality of Anhalt from 1871 until his death in 1904. He was born on July 12, 1831, and was a member of the House of Ascania. Leopold IV is known for his efforts to modernize the region and improve its infrastructure during his reign. Leopold IV was also involved in various cultural and educational initiatives, promoting the arts and sciences in Anhalt. His leadership contributed to the development of the principality, making it a more prosperous and progressive area in Germany during the late 19th century.