The following is a list of decent online resources for history and mythos, essentially information that would be useful for a game set in a fantasy setting. Feel free to add any sources that you think are useful. Encyclopedia Mythica: mythology, folklore, and religion. The Encyclopedia of World History, Sixth Edition. 2001 WEAPONS WARFARE - Ancient Weapons - Ancient Warfare List of ancient weapons - Wikipedia, the free encyclopedia Gareth Long's Encyclopedia of Monsters, Mythical Creatures and Fabulous Beasts Encyclopedia of historical weapons

Nice links, there's some good material there.