His work was disrupted by the outbreak of World War II in 1939 .
One of the Ahmadi representatives , Ayyaz Khan , visited Poland in 1937 to establish Ahmadiyya mission in the country .
Ahmadi 's work was disrupted by the outbreak of World War II in 1939 .
One of the Ahmadi representatives , Ayyaz Khan , visited Poland in 1937 to establish Ahmadiyya mission in the country .