The Seleucid dynasty or the Seleucidae was a Macedonian Greek royal family, which ruled the Seleucid Empire based in West Asia during the Hellenistic period. It was founded by Seleucus I Nicator, a general and successor of Alexander the Great, after the division of the Macedonian Empire as a result of the Wars of the Successors (Diadochi).
This article concerns the period 319 BC – 310 BC.
Year 321 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Calvinus and Caudinus. The denomination 321 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 311 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Brutus and Barbula. The denomination 311 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Demetrius I, called Poliorcetes, was a Macedonian Greek nobleman and military leader who became king of Macedon between 294–288 BC. A member of the Antigonid dynasty, he was the son of its founder, Antigonus I Monophthalmus and his wife Stratonice, as well as the first member of the family to rule Macedon in Hellenistic Greece.
Ptolemy I Soter was a Macedonian Greek general, historian, and successor of Alexander the Great who went on to found the Ptolemaic Kingdom centered on Egypt and led by his progeny from 305 BC – 30 BC. Ptolemy was basileus and pharaoh of Ptolemaic Egypt from 305/304 BC to his death, during which time Egypt became a thriving bastion of Hellenistic civilization and Alexandria a great seat of Greek culture.
Seleucus I Nicator was a Macedonian Greek general, officer and successor of Alexander the Great who went on to found the eponymous Seleucid Empire, led by the Seleucid dynasty. Initially a secondary player in the power struggles following Alexander's death, Seleucus rose to become the total ruler of Asia Minor, Syria, Mesopotamia, and the Iranian plateau, assuming the title of basileus (emperor). The Seleucid Empire was one of the major powers of the Hellenistic world, until it was overcome by the Roman Republic and Parthian Empire in the late second and early first centuries BC.
Perdiccas was a general of Alexander the Great. He took part in the Macedonian campaign against the Achaemenid Empire, and, following Alexander's death in 323 BC, rose to become supreme commander of the imperial army, as well as regent for Alexander's half brother and intellectually disabled successor, Philip Arridaeus.
Antigonus I Monophthalmus was a Macedonian Greek general and successor of Alexander the Great. A prominent military leader in Alexander's army, he went on to control large parts of Alexander's former empire. He assumed the title of basileus (king) in 306 BC and reigned until his death. He was the founder of the Antigonid dynasty, which ruled over Macedonia until its conquest by the Roman Republic in 168 BC.
Cassander 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.
The Battle of Ipsus was fought between some of the Diadochi in 301 BC near the town of Ipsus in Phrygia. Antigonus I Monophthalmus, the Macedonian ruler of large parts of Asia, and his son Demetrius were pitted against the coalition of three other successors of Alexander: Cassander, ruler of Macedon; Lysimachus, ruler of Thrace; and Seleucus I Nicator, ruler of Babylonia and Persia. Only one of these leaders, Lysimachus, had actually been one of Alexander's somatophylakes.
The Diadochi were the rival generals, families, and friends of Alexander the Great who fought for control over his empire after his death in 323 BC. The Wars of the Diadochi mark the beginning of the Hellenistic period from the Mediterranean Sea to the Indus River Valley.
The Wars of the Diadochi, or Wars of Alexander's Successors, were a series of conflicts fought between the generals of Alexander the Great, known as the Diadochi, over who would rule his empire following his death. The fighting occurred between 322 and 281 BC.
Peithon or Pithon was the son of Crateuas, a nobleman from Eordaia in western Macedonia. He was famous for being one of the bodyguards of Alexander the Great, becoming the later satrap of Media, and claiming to be one of the diadochi.
The Second War of the Diadochi was the conflict between the coalition of Polyperchon, Olympias and Eumenes and the coalition of Cassander, Antigonus, Ptolemy and Lysimachus following the death of Cassander's father, Antipater.
The Babylonian War was a conflict fought between 311–309 BC between Antigonus I Monophthalmus and Seleucus I Nicator, ending in a victory for Seleucus. This conflict ended any possibility of restoration of the former empire of Alexander the Great, a result confirmed in the Battle of Ipsus. The battle also marked the birth of the Seleucid Empire by giving Seleucus control over the eastern satrapies of Alexander's former territory.
The battle of the 25 of Abu of 309 B.C. in an unknown location between Babylon and Susa, was the decisive and final clash of the Babylonian war. It ended in a Seleucid victory, and the establishment of the Seleucid kingdom
The battle of the river Tigris was an engagement between the Diadochi Seleucus and the Antigonid general Nicanor, on the southern bank of the river Tigris in the year 311 BC. Nicanor was on route to recapture the city of Babylon from Seleucus, but he was defeated when Seleucus surprised him with an assault on his camp during the night, forcing Antigonus to cease hostilities with the other Diadochi, in order to concentrate his efforts on recapturing the city of Babylon himself.
The Second siege of Babylon took place during the Babylonian War in 310 BC. Antigonid forces under Antigonus's oldest son, Demetrius, besieged the Seleucid garrison of the city of Babylon under the command of Patrocles.
The Third siege of Babylon took place during Antigonus I Monophthalmus' expedition to the Seleucid domain in the context of the Babylonian War.
