Russian ultimatum to Bulgaria.
The Caucasus:—The Turks are defeated by the Russians near Van.
Oct. 5 (Tues.)
Lord Derby is appointed Director of Recruiting in Great Britain.
M. Venizelos resigns and M. Zaimis becomes Greek Premier (see Nov. 4).
Allied troops land at Salonika.
Oct. 6 (Wed.)
Crossings of the Save and the Danube are forced by the Austro-Germans; Serbia is thus invaded for the fourth time.
Oct. 8 (Fri.)
German counter-attacks in Champagne and near Loos are repulsed with heavy loss.