Schlieffen drafts deployment plan for FranceJan 1, 1905Labels: Alfred von, Schlieffen PlanBritannicaWikipedia
Assault on Liège fortifications beginsAug 5, 1914Labels: Li ge, siege artilleryBritannicaWikipediaHistory com
War Raw Materials Department establishedAug 13, 1914Labels: Kriegsrohstoffabteilung, Prussian WarWikipediaDHM
First Battle of the Marne halts German advanceSep 6, 1914Labels: First Battle, Allied counteroffensiveBritannicaWikipedia
First Battle of Ypres locks in trench warfareOct 19, 1914Labels: First Battle, YpresBritannicaWikipedia
Germany uses chlorine gas at Second YpresApr 22, 1915Labels: Second Ypres, chemical warfareBritannicaHistory com
Verdun offensive begins under FalkenhaynFeb 21, 1916Labels: Verdun Offensive, Erich vonBritannicaWikipedia
Hindenburg and Ludendorff take over OHLAug 29, 1916Labels: Paul von, Erich LudendorffWikipediaBritannica
Kriegsamt founded to centralize war economyNov 1, 1916Labels: Kriegsamt, Hindenburg ProgrammeWikipediaWikipedia
Turnip Winter deepens home-front hardshipDec 1, 1916Labels: Turnip Winter, civilian shortagesWikipediaBritannica
Patriotic Auxiliary Service Law enactedDec 6, 1916Labels: Auxiliary Services, labor conscriptionWikipediaGHI Docs
Unrestricted submarine warfare resumesFeb 1, 1917Labels: U-boat campaign, unrestricted submarineHistory comBritannica
Operation Michael opens Spring OffensiveMar 21, 1918Labels: Operation Michael, Spring OffensiveWikipediaNRS