Archives Portal Europe is the gateway to information on 275,000 archival collections in 7,070 European archives. The site also provides information on archival institutions throughout the continent. Similar to ArchiveGrid in the United States, the right search strategy can yield great results.
The Digital Library on American Slaveryis a portal to “detailed personal information about slaves, slaveholders, and free people of color in all 15 slave states and Washington, D.C.” Hosted at the University of North Carolina at Greensboro, DLAS is searchable with a single interface, including the Runaway Slave Advertisements database seen above.
State Historic Newspaper Projects offer vintage newspapers for your genealogy research. Newspapers for your area of research interest probably exist in several locations. Free state and federal sites offer digitized newspapers created with taxpayer funds. Other issues may have been digitized by commercial firms like newspapers.com or genealogybank.com. Learn how to find all the digitized newspapers for your family history research here.
Need context for your Canadian research? The Canadian Encyclopedia offers 14,000 articles in multiple languages, searchable by people, places, and things. Published by Historica Canada of Toronto, subjects on this free site include history, popular culture, events, people, places, politics, arts, First Nations, sports, and science.