Okay, I like history, it is amazing the facts you can find and I think this can be used by gamers.
http://www.archives.gov/aad/
AAD gives you:
Online access to a selection of nearly 50 million historic electronic records created by more than 20 federal agencies on a wide range of topics;
the ability to search for records with the specific information that you seek;
important contextual information to help you understand the records better, including code lists, explanatory notes from NARA archivists, and for some series or files in AAD, related documents.
http://www.archives.gov/aad/
AAD gives you:
Online access to a selection of nearly 50 million historic electronic records created by more than 20 federal agencies on a wide range of topics;
the ability to search for records with the specific information that you seek;
important contextual information to help you understand the records better, including code lists, explanatory notes from NARA archivists, and for some series or files in AAD, related documents.