When we visit http://youtube.com/my_history, we can see our own YouTube browsing history.Is there a way to see the YouTube history page of another user?
How do we see the YouTube history page of another user?
youtube
This would be a direct privacy violation, therefore such feature mustn't be available, and isn't.However, we can see others' favorites (unless it is disabled) and  under some circumstances (such as sharing your activities on Twitter, Facebook, etc.) Liked videos.