Harappan

Bronze Age culture that thrived ca. 3300-ca. 1300 BCE in the northwestern region of the Indian subcontinent, primarily in the areas that are now Pakistan, and parts of India, Afghanistan and Iran. Among the notable characteristics that distinguish the culture include their achievement of uniform and accurate measurement of mass, length, and time, new techniques in metallurgy using copper, bronze, lead, and tin, and new techniques in engineering docks and other structures.