in 334 BC, when it conquers Yue to its east on the Pacific coast. 320s BC 326 BC: Battle of the Hydaspes is fought between Alexander the Great and King Porus on the banks of Jhelum river. The battle resulted in Macedonian victory. 323 BC: In Babylon, Alexander the Great dies, ten days after being taken ill after a prolonged banquet and drinking bout. 323 BC: The Partition of Babylon sets out the division of the territories conquered by Alexander the Great between his generals. The partition is a result of a compromise, essentially brokered by Eumenes, following a conflict of opinion between the party of Meleager, who wishes to give full power to Philip III, and the party of Perdiccas, who wishes to wait for the birth of the heir of Alexander and his wife, Roxana to give him the throne under the control of a regent. 322 BC: Chandragupta Maurya overthrows Dhana Nanda and becomes King of Magadha. Establishment of Maurya dynasty. 310s BC 316 BC: Qin conquers Shu and Ba. 314 BC: Upon the ascension of King Nan, East Zhou becomes an independent state. The king comes to reside in what becomes known as West Zhou. 311 BC: King Hui of Qin dies, follows by prime minister Zhang Yi one year later. The new monarch, King Wu, reigns only four years before dying without legitimate heirs. 300s BC 309 BC: Ptolemy personally commands a fleet that captures the coastal regions of Lycia and Caria from Antigonus. 309 BC: Cassander, who has held Roxana, widow of Alexander the Great, in prison for a number of years, has her put to death along with her young son Alexander, the nominal King Alexander IV of Macedon. 309 BC: Soon after the State of Qin has conquered the State of Shu (in modern-day Sichuan province), they employ the Shu engineer Bi Ling to create the Guanxian irrigation system, which will eventually provide for over five million people in an area of 40 to , still in use today. 308 BC: Ptolemy crosses from Asia Minor into Greece, where he takes possession of Corinth, Sicyon and Megara. 308 BC: Ptolemy makes peace with Cassander 308 BC: Cleopatra of Macedon is assassinated by the order of Antigonus 307 BC: Ptolemy founds the Museum and Library of Alexandria with the help of Demetrius Phalereus. Like Alexander the Great, Ptolemy has studied under Aristotle and