259 BCE
The Seleucid king Antiochus II starts the Second Syrian War against Ptolemy II Philadelphus to avenge his father's losses. Antiochus II finds a willing ally in Antigonus II Gonatas, the king of Macedonia, who has been dealing with Ptolemy II's attempts to destabilize Macedonia. The State of Zhou cedes to the State of Qin the Han region of Yuanyong and six cities of Zhao in exchange for peace. The Carthaginians under Hamilcar take advantage of their victory at Thermae in Sicily by counterattacking the Romans and seizing Enna. Hamilcar continues south to Camarina, in Syracusan territory, to try to convince the Syracusans to rejoin the Carthaginian side.
Conflict & Security
- The Seleucid king Antiochus II starts the Second Syrian War against Ptolemy II Philadelphus to avenge his father's losses. Antiochus II finds a willing ally in Antigonus II Gonatas, the king of Macedonia, who has been dealing with Ptolemy II's attempts to destabilize Macedonia.source
- The State of Zhou cedes to the State of Qin the Han region of Yuanyong and six cities of Zhao in exchange for peace.source
- The Carthaginians under Hamilcar take advantage of their victory at Thermae in Sicily by counterattacking the Romans and seizing Enna. Hamilcar continues south to Camarina, in Syracusan territory, to try to convince the Syracusans to rejoin the Carthaginian side.source