Early in the next century the name was changed by Lysimachus to Alexandria Troas, in honour of Alexander's memory.
When the coalition was renewed against Antigonus in 302, Ptolemy joined it, and invaded Palestine a third time, whilst Antigonus was engaged with Lysimachus in Asia Minor.
Amastris had been murdered by her two sons; Lysimachus treacherously put them to death.
Wo.) now assumed the title of kings; Ptolemy, as well as Cassander, Lysimachus and Seleucus, answered this challenge by doing the same.
He was however expelled by Lysimachus and Pyrrhus in 288; and in 285 Lysimachus took possession of all the European part of the Macedonian Empire..
In 301 he joined Lysimachus in Asia Minor, and at Ipsus Antigonus fell before their combined power.
The scheme was, according to Strabo, carried out by Antigonus (316-301), and Lysimachus enlarged and fortified the city (301-281).
This atrocious deed of Lysimachus aroused great indignation.
In 288 Lysimachus and Pyrrhus in turn invaded Macedonia, and drove Demetrius out of the country.
In 302 B.C., by terms of his alliance with Seleucus, Lysimachus and Cassander, he set out with a considerable force and subdued all the cities of Coele-Syria (Diodorus xx.