Hi,
DSpace does not currently track all changes made to Items. It only tracks some major change (creation, withdraw, deletion) in the Item's "dc.description.provenance" fields. So, there's no way to query for historical change log information from the database. The best option would be to look at your DSpace log files (if it was a relatively recent change or if you have historical log files) for the Item UUID, as you can find information in the logs on when that Item was accessed, updated, etc (and by which user).
Tim