Naram-Sin of Akkad
Following the unification of the city-states in Assyria and Sumer by Sargon of Akkad into a single empire ruled from his home city circa 2334 BC, common Mesopotamian standards for length, area, volume, weight, and time used by artisan guilds in each city was promulgated by Naram-Sin of Akkad (c. 2254–2218 BC), Sargon's grandson, including for shekels. In December 1901 and January 1902, at the direction of archaeologist Jacques de Morgan, Father Jean-Vincent Scheil, OP found a 2.25 meter (or 88.5 inch) tall basalt or diorite stele in three pieces inscribed with 4,130 lines of cuneiform law dictated by Hammurabi (c. 1792–1750 BC) of the First Babylonian Empire in the city of Shush, Persia under the Qajar dynasty (the same location of the ancient city Susa of the Achaemenid Empire).