Now topping 738,000 entries, this database mostly covers 1920 to 1939, but some records are earlier. This site isn’t much to look at, but its search and browse options are powerful; you can even view by hometown.
Search for Central and East European ancestors in 1.85 million pages of more than 3,000 historical directories, plus memorials to Jewish communities destroyed in the Holocaust (Yizkor books), military lists, community and personal histories, and school records.
Even if you don’t parlez français, you can make headway in finding your French ancestors here, starting with 1.25 million user-submitted family trees. Stepping up to premium features runs about $50 a year.
This volunteer-created site from the Polish Genealogical Society searches more than 10 million records. Click the UK/US flag icon on the home page to switch to English and make initial searching easier.
This English-friendly Hungarian Cultural Heritage Portal puts more than 4 million pages of digitized publications, 100,000 old maps, and 300,000 pages from the Urbarium census of 1767 at your fingertips. The Budapest Time Machine here is also simply cool.
Beautifully redesigned, this site affiliated with the Museum of Jewish Heritage and Ancestry.com covers 54 countries but is especially useful for European research, including surnames, towns, Holocaust victims, the Family Tree of the Jewish People , and the JewishGen Family Finder.
Find your Dutch family in civil registrations and other records—more than 200 million records in all. You can power up your searches with a premium membership (about $22 per year), but basic searches and results are free.