How to view the relationship history of any two users on Facebook?

Facebook not only knows a lot about you, it also allows other users to learn about you. Did you know that you can use secret URLs to see the history of two people 's Facebook relationship on this social network? Let's find out more details in the article below!

Trick URL using facebook.com/us. It will display your entire Facebook relationship history with another person. However, you can also use this URL to see the relationship of 2 other people.

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Note: For users that you have not yet made friends with, the URL link only displays their public interactive content.

1. Navigate to the profile of the first person you want to see and note their username. You can find it in the URL.
2. Do the same step on the second person.
3. In the browser address bar, type www.facebook.com/friendship/[username 1] / [username 2] /, remember to replace the appropriate username.
4. Finally, click OK.

Now, you will see a Facebook page showing the posts, events, photos and videos that those two are tagged in.

How to learn this relationship history seems a bit intrusive. Therefore, please use it appropriately!