As Czechoslovakia was liberated from the Nazis at the end of World War II, the population of the country took its revenge – not on the Nazis themselves, but on three million of their fellow citizens.
Jolyon Jenkins

BBC News • 07.02.2004

For centuries, three million ethnic Germans had lived in the Czech lands which became part of Czechoslovakia after World War I. The Sudeten Germans were depicted as collaborators Clustered around the borders with Germany and Austria in the Sudetenland, they got along reasonably well with their Czech neighbours. […]