You can search all of ProQuest for articles, books, images, videos and more related to history or limit to specific databases like these:
Search ProQuest Research Library and ProQuest Newstand
Search Academic Search Complete and MasterFILE Premier
You can use CQResearcher to locate topics for papers. CQResearcher contains reports on current events. Each report includes: an overview, background information, current situation, outlook, and pro/con.
You can search all of MARVEL! for articles, books, related to history or choose specific databases.