Google Pagerank is a patented system by Google Inc. which is the central element of Google website ranking system. Pagerank is assigned to websites as a numeric value from 1 (lowest) to 10 (highest).
Here’s a list of the very few most popular Websites that have been assigned a Pagerank of 10 as of January 2007.
Pagerank 10 Charts 1-2007
Thanks to the german S-O-S SEO Blog for providing this list. They also provide a list of previous Pagerank 10 charts.