When you or someone you are caring for is seriously ill, it is recommend that you keep EOBs for five years after the illness or condition is alleviated. If you or the patient is claiming or has claimed a medical deduction, keep the explanation of benefits for seven years.
The earliest writing can be traced to Sumer, in Mesopotamia. This system did not use an alphabet, instead it used pictographs which are symbols representing familiar objects. This type of writing was called cuneiform, or wedge-shaped writing. Egyptians used hieroglyphics, also a pictograph system.
The Sumerians developed a form of pictographic writing that used word pictures like bird, fish, ox or grain etc., around 4000 - 3500 BC. In 3000 BC, it developed into a cursive form of cuneiform style of writing which was a wedge shaped linear impression on clay tablets.Cuneiform.hey spread all over the southern parts of Europe and the middle parts of Asia, the Gulf countries, some parts of North America, South America and Africa. Sumerians and the first writing system in the world. The earliest known records show the presence of some village people in the north of Mesopotamia around 7000 BC.