Sharepoint: Timestamp in Sharepoint (Workspace) Lists

Issue:
How to display timestamps when a list entry is edited in Sharepoint workspaces?

Resolution:
1. Select List Settings
2. Select Versioning Settings
3. Set Item Version History to Yes
4. Select the column where you would like to have the timestamp added and choose Yes to 'Append 5. Changes on Existing Text'

Source:
http://www.getsharepoint.com/blog/Lists/Posts/Post.aspx?ID=29