Alexander IV of Macedon in the context of "King of Macedon"

The Partition of Babylon was the first of the conferences and ensuing agreements that divided the territories of Alexander the Great. It was held at Babylon in June 323 BC.Alexander’s death at the age of 32 had left an empire that stretched from Greece all the way to Pakistan. The issue of succession resulted from the claims of the various supporters of Philip Arrhidaeus (Alexander’s half-brother), and the as-of-then unborn child of Alexander and Roxana, among others. The settlement saw Arrhidaeus and Alexander’s child designated as joint kings with Perdiccas serving as regent. The territories of the empire became satrapies divided between the senior officers of the Macedonian army and some local governors and rulers. The partition was solidified at the further agreements at Triparadisus and Persepolis over the following years and began the series of conflicts that comprise the Wars of the Diadochi. The term "Partition of Babylon" is a modern designation.

Amphipolis (Greek: Αμφίπολη, romanized: Amfipoli; Ancient Greek: Ἀμφίπολις, romanized: Amphipolis) was an important ancient Greek polis (city), and later a Roman city, whose large remains can still be seen. It gave its name to the modern municipality of Amphipoli, in the Serres regional unit of Northern Greece.

Amphipolis was originally a colony of ancient Athenians and was the site of the battle between the Spartans and Athenians in 422 BC. It was later the place where Alexander the Great prepared for campaigns leading to his invasion of Asia in 335 BC. Alexander's three finest admirals, Nearchus, Androsthenes and Laomedon, resided in Amphipolis. After Alexander's death, his wife Roxana and their son Alexander IV were imprisoned and murdered there in 311 BC.

The Battle of Salamis in 306 BC took place off Salamis, Cyprus between the fleets of Ptolemy I of Egypt and Antigonus I Monophthalmus, two of the Diadochi, the generals who, after the death of Alexander the Great, fought each other for control of his empire.

Cyprus had been seized by Ptolemy, and was used as a base for operations against the Antigonid territories in Asia Minor and the Levant. In 306 BC, Antigonus sent his son Demetrius to invade the island, which was defended by Ptolemy's brother Menelaus. After landing on the northeastern part of the island, Demetrius marched to Salamis, defeated Menelaus in a battle, and laid siege to the city. This was the first time where Demetrius demonstrated his flair for siege warfare, which would later earn him the sobriquet Poliorcetes, "the Besieger". Nevertheless, Menelaus held off Demetrius' attacks until the arrival of reinforcements. Ptolemy led a large-scale rescue expedition in person, hoping to catch Demetrius between his own forces and those of Menelaus, sallying forth from Salamis. Demetrius took a calculated risk by leaving only a small force to impede Menelaus, and focusing the bulk of his forces against Ptolemy. The ensuing battle was a complete victory for Demetrius, who destroyed or captured much of Ptolemy's fleet and army. After the battle, Menelaus and his men surrendered, and the rest of Cyprus was captured by Demetrius. In the wake of this victory, Antigonus assumed the royal title that had been vacant since the murder of Alexander's underage son. This act influenced the other Diadochi to follow and imitate Antigonus and Demetrius. Soon after the battle, most Diadochi officially assumed the kingship.

Cassander (/kəˈsændər/; Ancient Greek: Κάσσανδρος, romanized: Kássandros; c. 355 BC – 297 BC) was king of the Ancient Greek kingdom of Macedonia from 305 BC until 297 BC, and de facto ruler of southern Greece from 317 BC until his death.

A son of Antipater and a contemporary of Alexander the Great, Cassander was one of the Diadochi who warred over Alexander's empire following the latter's death in 323 BC. Cassander later seized power by having Alexander's son and heir Alexander IV murdered. While governing Macedonia from 317 BC until 297 BC, Cassander focused on strengthening the northern borders and economic development, while founding or restoring several cities (including Thessalonica, Cassandreia, and Thebes); however, his ruthlessness in dealing with political enemies complicates assessments of his rule.

Olympias (Ancient Greek: Ὀλυμπιάς; c. 375–316 BC) was a Greek princess of the Molossians, the eldest daughter of king Neoptolemus I of Epirus, the sister of Alexander I of Epirus, the fourth wife of Philip II, the king of Macedonia and the mother of Alexander the Great. She was extremely influential in Alexander's life and was recognized as de facto leader of Macedon during Alexander's conquests. According to the 1st century AD biographer, Plutarch, she was a devout member of the orgiastic snake-worshiping cult of Dionysus, and he suggests that she slept with snakes in her bed.

After her son's death, Olympias fought on behalf of Alexander's son Alexander IV, successfully defeating Adea Eurydice. After she was finally defeated by Cassander, his armies refused to execute her, and he finally had to summon family members of those Olympias had previously killed to end her life.

Perdiccas (Greek: Περδίκκας, Perdikkas; c. 355 BC – 320 BC) was a Macedonian general, successor of Alexander the Great, and the regent of Alexander's empire after his death. When Alexander was dying, he entrusted his signet ring to Perdiccas. Initially the most pre-eminent of the successors, Perdiccas effectively ruled Alexander's increasingly unstable empire from Babylon for three years until his assassination, as the kings he ruled for were incapable.

Perdiccas was born to Macedonian nobility. A supporter, somatophylax (bodyguard) and hetairos (elite cavalry commander) of Alexander, he took part in Alexander's campaign against the Achaemenid Persian Empire, distinguishing himself at the battles of Thebes and Gaugamela, and followed Alexander into India. When Alexander died in 323 BC, Perdiccas rose to become supreme commander of the imperial army, as well as regent for Alexander's vast empire, ruling on behalf of Alexander's intellectually disabled heir, King Philip III Arrhidaeus, and Alexander's infant son, King Alexander IV of Macedon.

The Partition of Triparadisus was a power-sharing agreement passed at Triparadisus in 321 BC between the generals (Diadochi) of Alexander the Great, in which they named a new regent and arranged the repartition of the satrapies of Alexander's empire among themselves. It followed and modified the Partition of Babylon made in 323 BC upon Alexander's death.

Following the death of Alexander, the rule of his empire was given to his half-brother Philip Arrhidaeus and Alexander's son Alexander IV. However, since Philip was mentally ill and Alexander IV born only after the death of his father, a regent was named as Perdiccas; in the meantime, the former generals of Alexander were named satraps of the various regions of his empire.