From Bohemia to Czechoslovakia to the Czech Republic: How History Shaped Modern Citizenship

The modern Czech Republic is a relatively young state, formed in 1993. Yet its roots stretch back more than a thousand years, through shifting borders, empires, and political systems. Each historical chapter has left its mark-not only on the culture and identity of the Czech people, but also on the way citizenship and nationality have been understood and passed down through generations.
The Kingdom of Bohemia: The Early Foundations
The Czech lands-Bohemia, Moravia, and part of Silesia-were once united under the medieval Kingdom of Bohemia. By the 14th century, under the rule of Charles IV, the kingdom was a flourishing center of culture, education, and politics within the Holy Roman Empire. In those centuries, the concept of "citizenship" was tied to local towns and feudal allegiances, not to a national government. Still, these medieval roots established a sense of territorial identity that would survive centuries of political change.
Habsburg Rule and the Austro-Hungarian Empire
In 1526, the Czech lands came under Habsburg rule, later becoming part of the Austro-Hungarian Empire. From the 16th century until 1918, inhabitants were subjects of the Austrian crown. Nationality laws during this period reflected imperial citizenship, and "Czech" identity was cultural and linguistic rather than a legal status. For today's descendants of emigrants from that era, understanding this context is essential-many left as Austro-Hungarian subjects, but their ties to the Czech lands are still recognised in modern ancestry research.
The Birth of Czechoslovakia (1918)
After World War I, the Austro-Hungarian Empire dissolved, and Czechoslovakia emerged as an independent state on 28 October 1918. This was the first time "Czechoslovak citizenship" existed in law. People residing in the new state-along with many who had been born there but lived abroad-were granted this citizenship. The legislation also included rules for citizenship by descent, laying a foundation that continues to influence applications today.
The Turbulent Mid-20th Century
Czechoslovakia's borders and governance changed repeatedly in the 20th century-through Nazi occupation during World War II, post-war restoration, the communist era beginning in 1948, and the events of the Prague Spring in 1968. Citizenship laws were amended during these transitions, sometimes expanding rights for those abroad, and at other times restricting them. This period created complex legal situations for families who emigrated, as changes in law sometimes took effect retroactively.
The Velvet Divorce: The Czech Republic is Born (1993)
On 1 January 1993, Czechoslovakia peacefully split into two independent states: the Czech Republic and Slovakia. A new Czech Citizenship Act came into force, defining who automatically became a Czech citizen and who needed to apply to confirm their status. In 2014, an important amendment introduced the possibility of dual citizenship, opening the door for many Czecho-Americans, Czecho-Canadians, and others around the world to reclaim their Czech citizenship without having to give up their current nationality.
Why This History Matters for Citizenship Today
Every change in political status – especially during the turbulent 20th century - brought new laws and definitions of who was considered a citizen. This means that eligibility for Czech citizenship by descent often depends on the exact date your ancestor left, the laws in force at that time, and how those laws treated foreign naturalisation.
By understanding this historical context, applicants can better appreciate not just the legal process, but the centuries of history behind the nationality they are reclaiming.
Interested in exploring whether your family's history in the Czech lands could make you eligible for citizenship? Contact EXPATLEGAL to learn how historical research and legal expertise can work together to uncover your path.