Firefox history

In Firefox, history is kept in a file places.sqlite (see http://kb.mozillazine.org/Viewing_the_browsing_history_-_Firefox )
You can install Firefox sqlite-manager plugin, open Firefox Menu (ALT key), Tools, SQLLite Manager:

https://code.google.com/p/sqlite-manager/wiki/FAQ#I_have_installed_SQLite_Manager,_but_I_cannot_find_how_to_start
The plugin works very well, it can show you the list of hosts that have been accessed. (table moz_hosts).