Second War of the Diadochi
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Was the conflict between the coalition of Polyperchon (as regent of the Macedonian Empire), Olympias and Eumenes and the coalition of Cassander, Antigonus, Ptolemy and Lysimachus following the death of Cassander's father, Antipater (the old regent).
Chronology
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April 316 BC: Cassander's victory: Olympias surrenders and is executed; Alexander IV Aigos and Roxane are placed under house arrest, Polyperchon retreats to the Peloponnese.
September 317 BC: From Athens Polyperchon marched on Megalopolis which had sided with Cassander and besieged the city. The siege failed and he had to retreat losing a lot of prestige and most of the Greek cities.
November 318 BC: Eumenes secured the loyalty of 6,000 of Alexander's veterans, the Argyraspides and the Hypaspists, who were stationed in Cilicia.
September 318 BC: Eumenes is allowed to withdraw from Nora and immediately allies himself with Polyperchon. Eumenes occupies Phenicia and builds a fleet.
September 318 BC: Polyperchon, the new Regent of the Empire, who decided to march his army south to force the Greek cities to side with him against Cassander and Antigonus.
November 317 BC: Polyperchon retreated to Epyrus and along with Olympia was able to reinvade Macedonia.
November 316 BC: Antigonus bribed the Argyraspides who arrested and handed over Eumenes. Antigonus had Eumenes and a couple of his officers executed. With Eumenes's death, the war in the eastern part of the Empire ended.
Were a series of events and military operations after the Second war of the Diadochi that led to the consolidation of the borders between the successor states of the Macedonian Empire.
April 315 BC: Cassander controlled Macedon and large parts of Greece.
January 314 BC: Ptolemy sent military support to his allies, providing troops under the command of Seleucus and Menelaus. Lapithos-Kyrenia was occupied after a siege and Marion capitulated. Diodorus Siculus tells us that Amathus was forced to provide hostages, while Kition was laid siege to in about 315 BC.
April 315 BC: Antigonus controlled Asia Minor and the eastern provinces.
April 315 BC: After the death of Alexander the Great (323 BC), Cyrenaica became subject to the Ptolemaic dynasty.
April 315 BC: The kings of Cyprus, including Praxippos of Lapithos and Kyrenia, the Poumiaton of Kition and Stasioikos of Marion, allied themselves with Antigonus.
April 315 BC: Lysimachus controlled Thrace.
April 315 BC: Ptolemy controls Egypt, Syria, Cyrene and Cyprus.
Selected Sources
Bunson, M.R. (2014): Encyclopedia of Ancient Egypt, Infobase Publishing, p. 314