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Vítáme Vás! (We welcome you!)

Research and connect with families from the Czech and Slovak ancestral lands.

CGSI focuses on the areas of present-day Czech Republic and Slovakia. This includes Czech (Bohemian), German-Bohemian (Böhmisch), Hungarian, Jewish, Moravian, Rusyn (Ruthenian), Silesian, and Slovak ancestry.

Czechoslovak Genealogical Society International (CGSI) is a member-based organization.

We are dedicated to genealogical research and interest in descendants of ethnic groups with roots from the Czech and Slovak ancestral lands of Central Europe.

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News & Events

CGSI Research Collection Open with Limited Hours

MGC is now open to all members and visitors, with limited hours, on Thursdays from 4pm to 8pm and Saturdays from 10am to 4pm (CST).

CGSI Quarterly Program "Three Giants of Czech and Slovak Architecture" (Webinar)

Join us for CGSI's first quarterly program of 2021, and learn about three giants of Czech and Slovak architecture around the world.

CGSI Research Collection Reopened with Limited Hours

MGC is now reopened to all members and visitors, with limited hours, on Thursdays from 4pm to 8pm and Saturdays from 10am to 4pm (CST).

Feb

27

RootsTech Connect 2021 (Online Virtual Conference)

RootsTech Connect will be live online during 25-27 February 2021 at rootstech.org. All of the content will be available following the live event for at least 12 months.

Feb

28

Global Slovakia Presents "Claim Your Heritage: Slovak Citizenship for Slovak Descendants!?" (Webinar)

Learn about the new Slovak Citizenship Act from a migration scholar and a citizenship law specialist in this cutting edge webinar.

Feb

28

Genealogy ConferenceKeeper.org (online event calendar)

Genealogy ConferenceKeeper.org is the most complete, entirely free, online calendar of genealogy conferences & events. Check it out often for events of genealogical interest.