founder effect

I know that Finns and Ashkenazi Jews are known as having undergone major founder effects in their population's history, but are there any other ethnic groups in Europe or prehistoric populations known to have gone through similar founder effects or bottlenecks?

Please contribute! The oldest founder effect in the world in Nubia (Ta Seti/Kush)?!? Wim Penninx and I (L eon Boer) both from the Netherlands are researching with full gnome data of the so called haplotype E-V22. Wim does the technical/statistic side of Y-DNA and I’am the historian. I also...