Palmyrene Invasion of Egypt Part of the Crisis of the Third Century A map of the short lived Palmyrene Empire at its zenith shortly after the invasion of Egypt Date October 270 AD Location Roman Egypt Result Palmyrene victory Territorial changes The Roman Empire loses Egypt Palmyrene annexation of Upper and Lower Egypt Belligerents Roman Empire Palmyra Support: Blemmyes Commanders and leaders Tenagino Probus † Zabdas Zenobia Timagenes Strength 50,000 70,000 Casualties and losses Heavy Unknown