See also: 1916 in Afghanistan, other events of 1917, and 1918 in Afghanistan.
May 1917
It is reported that Turco-German agents are fomenting unrest in Afghanistan, and are instigating the chiefs to make incursions into Russian Turkestan. These intrigues appear to have no success, however, and there are no indications that the loyalty of the amir to the Indian government has been in the least shaken.
References
1917 in Afghanistan Wikipedia(Text) CC BY-SA