In the late 19th and early 20th century, many Polish nationalist leaders endorsed the Piast Concept. It held there was a Polish utopia during the Piast Dynasty a thousand years before, and modern Polish nationalists should restore its central values of Poland for the Poles. Jan Poplawski had developed the "Piast Concept" in the 1890s, and it formed the centerpiece of Polish nationalist ideology, especially as presented by the National Democracy Party, known as the "Endecja," which was led by Roman Dmowski. In contrast with the Jagiellon concept, there was no concept for a multi-ethnic Poland.
In the late 19th and early 20th century, many Polish nationalist leaders endorsed the Piast Concept. It held there was a Polish utopia during the Piast Dynasty a thousand years before, and modern Polish nationalists should restore its central values of Poland for the Poles. Jan Poplawski had developed the "Piast Concept" in the 1890s and it formed the centerpiece of Polish nationalist ideology, especially as presented by the National Democracy Party, known as the "Endecja," which was led by Roman Dmowski. ,In contrast with the Jagiellon concept, there was no concept for a multi-ethnic Poland.