Then Zerah the Ethiopian came out against them with an army of a million men and three hundred chariots, and he came to Mareshah.
2 Chronicles 14:9
Surrounding context
14:8 And Asa had an army of three hundred thousand from Judah who carried shields and spears, and from Benjamin two hundred and eighty thousand men who carried shields and drew bows; all these were mighty men of valor.
14:9 Then Zerah the Ethiopian came out against them with an army of a million men and three hundred chariots, and he came to Mareshah.
14:10 So Asa went out against him, and they set the troops in battle array in the Valley of Zephathah at Mareshah.