19 October

Western Front

 * The Yser: German attacks on Lombartzyde repulsed.
 * BEF: Transfer from Aisne to Flanders completed.
 * First Battle of Ypres begins: Sir Henry Rawlinson unable to occupy Menin.
 * Sir John French's despatches of 17 September and 8 October published.

Eastern Front

 * Poland: Germans cross the Vistula at Josefov.

Political

 * New Naval Decoration, the Distinguished Service Medal, established.