Aug. 28—British naval victory in Helgoland Bight.
Aug. 31—Allies' line along the Seine, Marne and Meuse rivers.
Aug. 31—Name St. Petersburg changed to Petrograd by Russian decree.
Sept. 3—French Government removed (temporarily) from Paris to Bordeaux.
Sept. 5—Great Britain, France and Russia sign a treaty not to make peace separately.
Sept. 6-10—First Battle of the Marne. Germans reach the extreme point of their advance; driven back by the French from the Marne to the River Aisne.
Sept. 7—Germans take Maubeuge.
Sept. 11—An Australian expedition captures New Guinea and the Bismark Archipelago Protectorate.
Sept. 16—Russians under Gen. Rennenkampf driven from East Prussia.
Sept. 22—Three British armored cruisers sunk by a submarine.