The success came in 1999, when the first edition of this school, then known as the European International Summer School was organized in the palace in Kamień Śląski.
Wodzisław Śląski | Chełm Śląski | Wołowiec, Kamień County | Troszyn, Kamień County | Sosnowice, Kamień County | Skała, Lwówek Śląski County | Pokrzywnik, Lwówek Śląski County | Niwka, Kamień County | Kłodzino, Kamień County | Kamień Śląski | Kamień, Białobrzegi County | Kamień | Gogolice, Kamień County | Dobropole, Kamień County | Cammin (renamed as Kamień Pomorski in 1945) |