History of the Jews in Cologne in 1918, Adolf Kober took the place of rabbi of the Cologne community, which was one of the largest in Germany. Kober was one of the co-sponsors of the exhibition of the Jewish history in the "Millennium-Exhibition of the Rhineland", that took place at the Cologne trade fairgrounds in 1925. By 1918 the Jewish cemetery of Bocklemünd was opened, which is still in use today. With the takeover of the political power by the Nazis repression against the Jewish citizens of Cologne started again. In spring 1933, 15,000 inhabitants declared on the population census that they were Jewish. There were
History of the Jews in Cologne and established in the 1st century AD, as the Roman "Colonia Claudia Ara Agrippinensium" in Ubii territory. It was the capital of the Roman province of "Germania Inferior" and the headquarters of the military in the region. Cologne was an important city in Roman times. H. Nissen assumes a much greater population for Roman Cologne than it was in the Middle Ages, when he estimates it was between 30,000–40,000. It is reasonable to assume that the spread of Christianity in any Roman province was preceded and accompanied by the existence there of Jews. The presence of Christians in Cologne in