From May 30th to June 2nd, 2019 the Association for Monument Research made an excursion to memorial sites in Czech Republic, Austria and Germany. They included the memorial dedicated to the annihilation of Lidice, which was razed to the ground on June 10, 1942, the Mauthausen concentration camp which was the main site of political, social and racist persecution by the National Socialist regime on Austrian territory from 1938 to 1945, the Munich Documentation Centre for the History of National Socialism and the Dachau Concentration Camp Memorial.