How to Access Google's Filter By Date Dropdown Box

Filtering Google searches by time periods has been one of the most frequently requested features. By manipulating the search URL, you can trigger Google's 'filter by data dropdown box' to appear. With this drop down box, you can easily select what time dates you want Google to filter the results.

First goto Google and enter your search term. Next, add '&as_qdr=d' to the end of the URL and press enter.
A dropdown box will appear.