18 August

1914

 * Belgium: Germans occupy Tirlemont.
 * Lorraine: French advance and cut line between Metz and Strassburg at Saarburg.
 * Galicia: Russian invasion from the east under Brusilov and Russki begun.
 * Austrians defeated at Shabats.

1915

 * Zeppelin air raid on Kent, Essex and London concludes. Civilian casualties: 10 killed (inc. one child) and 48 injured (inc. 12 children).
 * French capture position on Ablain-Angres road (Vimy), and trench on Schratzmännele crest (Vosges).
 * Italian progress towards Tolmino and in Upper Rienz (Julian).
 * No Russian naval success in Gulf of Riga.
 * German Fleet retires losing two cruisers (including SMS Moltke) and eight torpedo boats.
 * Russian gunboat Sivuch sunk.
 * Offices of "Labour Leader" raided.