634 battle between the Muslim Arabs under Khalid b. Walid and the Christian Ghassanid Arabs

634 CE conflict between the Rashidun Caliphate and Byzantine Empire

634 battle in Northumberland

7th-century battle in the Levant

Fought between the Rashidun Caliphate and the Sassanian Empire

Between the forces of Sassanid Empire and Rashidun Caliphate

Engagement between the Rashidun Caliphate and Ghassanids

634 conflict between the Rashidun Caliphate and Byzantine Empire

Battle between Sasanians and Arab Muslims