Ghazwa e-Ahzaab غزوة الاحزاب

The Battle of the Trench (Arabic: غزوة الخندق, romanized: Ghazwat al-Khandaq), also known as the Battle of Khandaq (Arabic: معركة الخندق, romanized: Ma’rakah al-Khandaq) and the Battle of the Confederates (Arabic: غزوة الاحزاب, romanized: Ghazwat al-Ahzab), was part of the conflict between the Muslims and the Quraysh, where this time the Quraysh took the offensive and advanced on the Muslims, who defended themselves in Medina by digging a trench around their settlement at the suggestion of Salman the Persian. wikipedia