The 19th century saw the development of the political ideology of ethnic nationalism, when the concept of race was tied to nationalism, first by German theorists including Johann Gottfried von Herder.
Abad kaping -19 manggihang panglimbak ideologi politik nasionalisme soroh,  risampune  soroh kaiketang antuk  nasionalisme, kapertama olih ahli teori Jerman termasuk Johann Gottfried von Herder.