FEEFHS Map Room - 50 detailed maps of Germany, Austria-Hungary, Russia, the Balkans, and the Baltics from the 1882 Blackie and Sons atlas, all available at the site of the Federation of East European Family History Societies. The same site also includes a nice Genealogy Resource Directory.

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Slovakia - - Former part of the various incarnations of the Kingdom of Hungary and later Czechoslovakia. Not to be confused with Slovenia, despite some distant ethno-lingual ties and similarities.

Slovenian Timelines and Scenarios

Slovenian Points of Divergence

Useful Resources about Slovenia