Diary for Sunday, October 17, 1915:
Baltic Provinces: German Eighth Army active about Jacobstadt and Mitau (October 19); captures Dvina bank east of Riga (October 20).
Western Russia: Russian attacks south of Dvinsk (and on October 23).
Serbia: Austrian Third Army takes Arda Ridge south of Belgrade.
Cameroons: Nigerian company takes Kentu close to border, but repulsed from hill to south on October 20.
Italy: First of 9 rail-transportable midget submarines launched at La Spezia for harbour defence (until November 25, 1916) but not successful, struck off Navy List 1918-19.
Britain offers Greece Cyprus if she aids Serbia, but offer refused on October 20.