352 Dettingen 1743 - Miracle on the Main

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The death of the Emperor Charles VI in 1741 was the catalyst for a conflict ostensibly about the female inheritance of the Hapsburg patrimony but, in reality, about the succession to the Imperial Throne. The great European powers were divided between those, such as Britain, who supported the Pragmatic Sanction and the rights of the Archduchess Maria-Theresia, daughter of Charles VI, and those who challenged it, including Bavaria which were supported by France.

Explores the battle in depth, detailing its build-up, events, and aftermath, as well as analysing the strengths and weaknesses of the commanders, armies, and tactics of both sides.

The conflict quickly escalated into what is now known as the War of the Austrian Succession, and a series of turbulent political events brought the crisis to a head on the road to Hanau, near Dettingen. There, the French moved to put into place a complex manoeuvre which had the potential to end the war at a single stroke. A column of French troops would cross the Main near Dettingen and block the road to Hanau, their orders being to simply hold their ground and bar the route of the Allied British and Hanovarian advance. A second column would cross the Main behind the enemy and then follow their line of march northwards. The bulk of the army would use a combination of bridges and pontoon-bridges to cross the Main and engage the enemy from the flank as they were strung out on the line of march. However, the plan relied heavily on the blocking force, and command of this crucial sector fell to an inexperienced nobleman Louis-Auguste, Duc de Grammont, who chose to attack rather than hold his position. Consequently, the manoeuvre failed and the French broke, fleeing for the Main and safety, with the Gardes Francaises famously swimming the river.