History helps to record the edits so that you can see the change and revert the edit if needed.
- Click on the history icon.
- Date: Record the edited events by date.
- User: Who made the edit
- Action: See the edit at each point in detail, revert the edit at each point if needed.
- History point: Show the edit at a point in detail.
- Revert all posts at this point: Revert the edit at a point of all posts ( In the 5.)