Ever since Germany had inflicted defeat upon France in the Franco-Prussian War of 1870-71, the major nations of Europe had busied themselves with plans for the next war, seen by many as inevitable given the conflicting ambitions of the major powers; which, in the case of France, included the repossession of Alsace and Lorraine, both lost to Germany as a consequence of the Franco-Prussian War.
Much is made of the German Schlieffen Plan and, to a lesser extent, the French Plan XVII. But what of Austria-Hungary's Plan B and Russia's Plan 19? This article details the primary aims of each of these plans, and discusses the rationale behind them.