Steps

Step 1: Go to your Admin Studio and log in

Step 2: Go to Articles

Step 3: Click into the article you want to review

Step 4: In the top right corner, click Last saved at [date].

Step 5: A pop-up will appear showing the article's edit history including when it was created, and each time its status changed (draft to live, or unpublished).

Click on any entry's date on the right hand to expand it and see more detail