To view past flagged content, make sure “Save Screenshots” is turned On for the filter you want to monitor. This setting can be found in the "Content Filters" section under "Apps & Safety". If Save Screenshots was not enabled at the time, earlier content will not be available.
Then:
Tap "Apps & Safety" on the home screen and enter your parent password.
Select "Saved Screenshots".
Use the calendar icon (top right) to view blocked content by date.

