Hroch earned his PhD at the Charles University in 1962. Miroslav Hroch has earned international academic renown for his works about formation and evolution of the national movements of Central and Eastern European nations. He has significantly contributed to the establishment of comparative history as a research field in East-Central Europe.
Hroch defined three chronological stages in the creation of a nation. At first, the nation exists on a cultural level. Second, the nation gets politically executed. Thereafter the people internalizes the nation.