Ancient CivilizationsAncient Mesopotamian Map May Be World’s First Urban Blueprint Posted on December 12, 2025 by Administrator A 3,500-year-old clay tablet discovered over a century ago in Iraq has been revealed as one of humanity’s earliest examples of urban planning. The ancient map of Nippur, etched into a hand-sized tablet between 1500 and 1300 BC, displays remarkable accuracy that challenges modern assumptions about ancient cartographic capabilities and may represent the world’s oldest city blueprint.