Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
rulers.org
"This site contains lists of heads of state and heads of government (and, in certain cases, de facto leaders who don't occupy either of those formal positions) of all countries and territories, usually going back to at least 1900."