| − | The Sumerian written language known as [[cuneiform]] is one of the earliest examples of writing historians and archaeologists have found.<ref>[http://www.crystalinks.com/sumerwriting.html Crystallinks.com]</ref> Many Sumerian records written on clay tablets still survive in museums to this day. | + | The Sumerian written language known as [[cuneiform]] is one of the earliest examples of writing historians and archaeologists have found. Many Sumerian records written on clay tablets still survive in museums to this day. |