Ariarathes IV Eusebes

Son of Ariarathes III
Married to: Antiochis (daughter of Antiochus III the Great and Laodice III)
Children:

• Stratonice IV, married to Eumenes II Soter and Attalus II Philadelphus of Pergamon
• Ariarathes V Philopator
• Orophernes II

Successor of: Ariarathes III

Main deeds:

• 220: Accession
• 193: Marriage to Antiochis (daughter of the Seleucid king Antiochus III the Great and Laodice III)
• 192: Antiochus III attacks Greeks, beginning of the Syrian War
• Roman troops expel Antiochus from Greece and invade Asia
• 190: Battle of Magnesia: Antiochus defeated; Ariathes IV switches sides
• 188: Peace treaty between Roman and the Seleucid Empire; Cappadocia is accepted as a Roman ally and gains Tyana.
• Ariarathes' daughter Stratonice IV marries king Eumenes II of Pergamon, a Roman ally.
• 182: Rome supports Cappadocia in the Pontic War against king Pharnaces I of Pontus (182-179).
• 172: Rome requests military support against the Macedonian king Perseus (Third Macedonian War)
• 168 Rome victorious against Macedonia
• c.163: Natural death