When you are on a specific account, you can find the Created and Modified information by following these steps:
  1. Open the Account and page where you would like to see the information
  2. For example, click on the Persona page to see the Account's Personas page.
  3. Scroll to the very bottom of the page.
  4. At the bottom of these pages, there will be a time stamps for the Created and Last Modified along with the User Id that made the changes