Firefox keeps track of the websites you visit in your browsing sessions. To view your browsing history:
Click the menu button 
to open the menu panel.
Click and then click the bar at the bottom to open the Library window.
The Library window that opens when you click the bar will show your browsing history.
From the Library window, you can search for a particular website you have visited using the field in the top right corner.
Double-click on a website to open it in the current tab.
Right-clickHold down the control key while you click
on a website to view other actions, such as open in a new tab, open in a private window, bookmark page, copy the URL, and more
You can also sort all visited websites by name, tag or URL by clicking on the column labels.
It is possible to remove websites from your browsing history or clear the browsing history. See these articles to learn more:
