314: Demetrius' father Antigonus has become too powerful: outbreak of the Third Diadoch War (Cassander, Ptolemy Soter, and Lysimachus against Antigonus and Demetrius); Antigonus declares the Freedom of Greece (text)
313: Antigonus captures Tyre; the Peloponnese sides with Antigonus
312: Ptolemy defeats Demetrius near Gaza
311: Seleucus liberates Babylon (May; text; more); Demetrius fights against the Nabataeans (summer); the Peace of the Dynasts makes an end to the Third Diadoch War, and leaves Antigonus breathing space to declare the Babylonian War (December)
310: Seleucus defeats Demetrius (spring; text); Antigonus in Babylonia (autumn)
309: Seleucus decisively beats Antigonus
307: Outbreak of the Fourth Diadoch War (Ptolemy and Cassander against Antigonus and Demetrius); Demetrius liberates Athens and expels its ruler, Demetrius of Phaleron; the liberator is recognized as god (text)
306: Demetrius defeats Ptolemy in the naval battle of Salamis (Cyprus); Antigonus and Demetrius accept the royal title (text)
305-304: Demetrius is unable to capture Rhodes (text); he earns the nickname Poliorcetes, "besieger of cities"
303: Returns to Greece, attacks Cassander in Thessaly; foundation of Halos (text)
Cassander and Ptolemy open negotiations, which Antigonus declines
Demetrius Poliorcetes
302: Lysimachus invades Asia Minor; he receives support from Cassander and Seleucus
301: Battle of Ipsus; death of Antigonus. Asia Minor is for Lysimachus; Asia for Seleucus; Ptolemy seizes Coele Syria; Demetrius keeps the islands.
Demetrius allies himself to Seleucus (who marries to Stratonice)
295/294: Demetrius reconquers Athens
294: Becomes king of Macedonia (text), loses distant ports; builds a new capital, Demetrias
Conflict with Pyrrhus of Epirus; his wife Lanassa leaves him and marries to Demetrius, who obtains Corcyra
288: Joint attack on Macedonia by Lysimachus and Pyrrhus; Demetrius abandons Europe (leaving his son Antigonus II Gonatas) and attacks Lysimachus' Asian possessions; he marches to the east and surrenders to Seleucus; his wife Phila commits suicide