Sql query for order by problem

Question

Suppose i have a table with Column  Id,Item,Dates

and info in Dates is different just like--- 01/12/2016, 02/12/2016 ,29/11/2016, 20/10/2016

28/11/2016 this type of date entry or different month now how to used order by Asc  for update any item details from first date to last for particular item

 

basically this is used for back date entry then i want update all records from first date to last date which match with item name ....