The Battle of Blenheim (referred to in some countries as the Second Battle of Höchstädt), fought on 13 August 1704, was a major battle of the War of the Spanish Succession. Louis XIV of France sought to knock Emperor Leopold out of the war by seizing Vienna, the Habsburg capital, and gain a favourable peace settlement. The dangers to Vienna were considerable: the Elector of Bavaria and Marshal Marsin's forces in Bavaria threatened from the west, and Marshal Vendôme's large army in northern Italy posed a serious danger with a potential offensive through the Brenner Pass. Vienna was also under pressure from Rákóczi's Hungarian revolt from its eastern approaches. Realising the danger, the Duke of Marlborough resolved to alleviate the peril to Vienna by marching his forces south from Bedburg and help maintain Emperor Leopold within the Grand Alliance.
A combination of deception and brilliant administration – designed to conceal his true destination from friend and foe alike – enabled Marlborough to march 250 miles (400 km) unhindered from the Low Countries to the River Danube in five weeks. After securing Donauwörth on the Danube, the English Duke sought to engage the Elector's and Marsin's army before Marshal Tallard could bring reinforcements through the Black Forest. However, with the Franco-Bavarian commanders reluctant to fight until their numbers were deemed sufficient, the Duke enacted a policy of spoliation in Bavaria designed to force the issue. The tactic proved unsuccessful, but when Tallard arrived to bolster the Elector's army, and Prince Eugene arrived with reinforcements for the Allies, the two armies finally met on the banks of the Danube in and around the small village of Blindheim.
Blenheim has gone down in history as one of the turning points of the War of the Spanish Succession. The overwhelming Allied victory ensured the safety of Vienna from the Franco-Bavarian army, thus preventing the collapse of the Grand Alliance. Bavaria was knocked out of the war, and Louis's hopes for a quick victory came to an end. France suffered over 30,000 casualties including the commander-in-chief, Marshal Tallard, who was taken captive to England. Before the 1704 campaign ended, the Allies had taken Landau, and the towns of Trier (Trèves) and Trarbach on the Moselle in preparation for the following year's campaign into France itself.
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