A few words of thanks would be greatly appreciated.

Galaxy Tab 2: Delete your browsing history

When browsing the Internet on your tablet, the pages you've visited are recorded in the browsing history of Web browser.

To delete this information:
Tap on lower right corner of your tablet, and select "Settings> Application Manager"
Click on the "All" and select Internet application (or the browser of your choice)
Click on "Clear data" and Agree.