The Wars of the Diadochi were a series of conflicts that took place after the death of Alexander the Great in 323 BCE. These wars involved his former generals, known as the Diadochi, who fought for control over different parts of his vast empire. The main contenders included figures like Ptolemy, Seleucus, and Antigonus, each seeking to establish their own rule. The wars lasted for several decades, leading to the fragmentation of Alexander's empire into several Hellenistic kingdoms. Ultimately, the conflicts resulted in the establishment of major dynasties, such as the Ptolemaic in Egypt and the Seleucid in Persia, shaping the political landscape of the ancient world.