Browsing History - Clearing Browsing Data - Google Chrome

To Whom It May Concern:

I have a Linux Operating System (Ubuntu x86_64 GNU/Linux Unbuntu 12.04.5 LTS).

I have been trying for months now to figure out why is it when I go to my Browsing History to Clear Browsing Data there are always websites I know that I did not visit? No one seems to figure out why this is happening and what this is.

I have Internet with AT&T an Arris NVG510, IPV6 Compatible modem that is connect with a yellow Ethernet cable from the back of the modem to the back of the desktop tower.

I noticed that when AT&T switched from the DSL modem to the NVG510 modem this has being doing this.

If possible, could you please assist me with this issue I am having? What can I do to fix this problem?

I truly thank you for your time and consideration.

Respectfully,

Treda Robinson