Antigonus was a prominent general and one of the key figures in the aftermath of the death of Alexander the Great. He played a significant role in the Wars of the Diadochi, which were conflicts among Alexander's former generals over control of his vast empire. Antigonus established himself as a powerful ruler in Asia Minor and later sought to expand his influence across the region. He declared himself king and founded the Antigonid dynasty, which ruled over parts of Greece and Asia Minor. Antigonus is known for his military strategies and his attempts to unify the fragmented territories of Alexander's empire. His reign ultimately ended with his defeat at the Battle of Ipsus in 301 BCE.