The Scouting History Report shows a cub's achievements since he joined the pack.

To produce this report, go to Adventures & Badges, select the tab for this scout's age level, find him on the list, and click Adventures.

This will bring up a page showing this scout's current achievements, as shown below.

Click the Scouting History Report button to produce this report.

It will show all of his adventures, badges, and awards since his joined scouting.  It also shows his participation history and community service hours.