In 323 =Ptolemy I=, son of Lagus, receives the government of Egypt and Cyrenaica in the division of Alexander’s Empire. He rules at Alexandria. In 321 he allies himself with Antipater against the ambitious Perdiccas. He joins the alliance against Antigonus in 315. 306. He assumes the title of king. 304. He assists the Rhodians to repel Demetrius, and wins the surname of Soter (Saviour). 285. He abdicates in favour of his son, =Ptolemy (II) Philadelphus=, and dies two years later. Ptolemy II reigns almost in undisturbed peace. About 266 he annexes Phœnicia and Cœle-Syria. He is famous as a great patron of commerce, science, literature, and art, and raises the Alexandrian Museum and Library to importance. On his death in 247, his son, =Ptolemy (III) Euergetes=, reunites Cyrenaica, of which his father’s half-brother, Magas, had declared himself king on the death of Ptolemy I. In 245 he invades Syria, to avenge his sister Berenice, the wife of Antiochus II, slain by Laodice. He also marches to and captures Babylon, but is recalled to Egypt by a revolt in 243. In 222 he is succeeded by his son, =Ptolemy (IV) Philopator=. In 217 this king defeats Antiochus the Great at Raphia, recovering Phœnicia and Cœle-Syria, which has been wrested from him. =Ptolemy (V) Epiphanes= began his reign in 205 or 204. Antiochus the Great invades Egypt, and the Romans intervene. Ptolemy marries Cleopatra, daughter of Antiochus. He dies by poison in 181. His son, =Ptolemy (VI) Philometor=, succeeds, with =Cleopatra= as regent until her death in 174. Then the ministers make war on Antiochus Epiphanes, who captures Ptolemy in 170. The king’s brother, =Ptolemy (VII) Euergetes= or =Physcon=, then proclaims himself king, and reigns jointly with his brother after the latter’s release. In 164 Ptolemy VII expels Ptolemy VI, but is compelled to recall him at the demand of Rome. Ptolemy VII returns to Cyrenaica, which he holds as a separate kingdom until his brother’s death, 146, when he returns to Egypt, slays the legitimate heir, and rules as sole king. The people of Alexandria expel him in 130, but he manages to get back in 127. Dies 117. His son, =Ptolemy (VIII) Philometor= or =Lathyrus=, shares the throne with his mother, =Cleopatra III=. In 107 his mother expels him, and puts her favourite son, =Ptolemy (IX) Alexander=, on the throne. Ptolemy VIII keeps his power in Cyprus, and on his mother’s death the Egyptians recall him and banish his brother. The wars with the Seleucid princes are kept up. =Berenice III=, the daughter of Ptolemy VIII, succeeds him in 81. Her stepson, =Ptolemy X= or =Alexander II=, son of Ptolemy Alexander, comes from Rome as Sulla’s candidate, and marries her. The queen is at once murdered, by her husband’s order, and the people put him to death, 80. The legitimate line is now extinct. An illegitimate son of Ptolemy Lathyrus, =Ptolemy (XI) Neus Dionysus= or =Auletes=, takes Egypt; and a younger brother, Cyprus. Weary of taxation, the Alexandrians