How old are the oldest written records known to historians?

Whoever wrote this below is uneducated. people like this know nothing and to cover it up they attempt to be cute..sad..oldest know wriitwen records

Cuneiform is about 3500 BC Sumerian..Must have been more before but this is a good starting point of written records. ignore people like below,, sad people.

Historian really don't know anything! the oldest records are probably 1 year. People throw away their documents these days.