You may want to clear your activity log from time to time on Facebook. One of my favorite sites, called Facecrooks, tells you everything you need to know to do this.
Knowing this information is good to know whenever you want to find out these things, or you want to cover your tracks.
Here are the four easy steps:
1. Navigate to your Timeline and click on your ‘Activity Log.’
2. Look for the ‘More’ link in the left column and click it:
3. Scroll down in this column and click on the ‘Search’ link.
4. Lastly, click on the ‘Clear Searches’ button.
Go to the article here to see the whole thing in pictures.