17 February

1915 (Wednesday)

 * Small French advances near Roclincourt (north of Arras), near Perthes, and north-west of Verdun.
 * Two Zeppelins wrecked off north-west Denmark: L-3 is stranded and destroyed off Fanö, and L-4 is destroyed near Blaavands Huk.
 * Russians defeated on line Plotsk-Ratsionj (north-west Poland).
 * Great battle near Nadworna and Kolomea.
 * Czernowitz (Bukovina) is retaken by Austrian forces (see 28 October 1914, and 17 June 1916).
 * Memel reoccupied by German forces (see 11 November 1914, and 18 March 1915).