Book excerpt: Vaclav Hou vi ka describes the development of the Czech-German national controversies from the mid-19th century, through the establishing of the CzechoslovakRepublic in 1918, to the beginning of the 21st century. He focuses mainly on the tragic end of the nations' coexistence in 1938-1945 and the following development of different Czech and German reflections on the reasons for the removal of Germans from the CzechoslovakRepublic after 1945 in the latter part of the 20th century. A detailed explanation of Czech, German and Sudeten-German concepts is rendered in detail and coherently within the international and social-economic context of the 20th century. "