Halbmondlager

The camp housed approximately 30,000 Arab, Indian, and African prisoners of war from the British and French allied armies.

[3] The camp was the site of the first mosque to be built in Germany, a large and ornate wooden structure completed in July 1915.

[2][3][4] The mosque, requested by the Grand Mufti of Constantinople (Ottoman Empire), was financed by the Prussian Army and modeled after the Dome of the Rock.

[5] About 80 Sikh prisoners and Hindus from British India were also held in the camp, as well as around 50 Irishmen, and two Australian Aboriginal soldiers (Roland Carter and Douglas Grant).

He established an office nearby to lead a propaganda campaign with the "show camp", "self-consciously styled as a theatre for the wider world", at its centre.