Who suggested digging a trench around Medina as a defensive strategy in the Battle of Khandaq (627 CE)?
Q1. Who suggested digging a trench around Medina as a defensive strategy in the Battle of Khandaq (627 CE)?
Answer: Salman al-Farisi
Explanation: Salman al-Farisi (RA), a Persian companion, suggested the strategy of digging a defensive trench around the vulnerable northern side of Madinah, a tactic familiar from Persian military practice.