sentences:  Four days later Emperor Wilhelm II came to the city, and on May 17, 1915, Częstochowa hosted King of Saxony Frederick Augustus III.Unlike the city of Częstochowa, the Jasna Góra Monastery was since April 26, 1915, under control of Austria-Hungary, after the personal intervention of Emperor Franz Joseph I, who was a pious Roman Catholic.The monastery was manned by soldiers under Austrian Army Captain Josef Klettinger and remained under Austrian control until November 4, 1918.