Battle of Dettingen
The Battle of Dettingen (German: Schlacht bei Dettingen) took place on 27 June[d] 1743 at Dettingen on the River Main, Germany, during the War of the Austrian Succession. The British forces, in alliance with those of Hanover and Hesse, defeated a French army under the duc de Noailles. George II commanded his troops in the battle, and this marked the last time a British monarch personally led his troops on the field. The battle straddled the river about 18 miles east of Frankfurt, with guns on the Hessian bank but most of the combat on the flat Bavarian bank. The village of Dettingen is today the town of Karlstein am Main, in the extreme northwest of Bavaria.
The allied army was known as the Pragmatic Army because it was a confederation of states that supported the Pragmatic Sanction of 1713 agreements to recognize Maria Theresa as sovereign of the Habsburg Empire. The British force of 17,000 men under John Dalrymple, 2nd Earl of Stair, had landed at Ostend in the Austrian Netherlands on 10 July 1742. Here it joined the Pragmatic Army, some 50,000 strong at the start of the campaign, also containing 16,000 Hanoverians with the balance made up of Austrians, Hessians and Dutch. The army remained here inactive until January 1743, when King George II ordered Dalrymple to march into Germany, leaving the Hessians and some Austrian troops to protect the Netherlands. The internal divisions in the Dutch Republic delayed their army of 20,000 so that it came too late to participate in the campaign.
The Austrian commander, the Duke of Arenberg, proposed to follow the Neckar and march towards Bavaria, but King George feared a Prussian attack on Hanover (his homeland) and decided to march along the north bank of the Main, keeping all options open. On 17 June the army set up camp between Kleinostheim and Aschaffenburg. George, accompanied by 25 squadrons of British and Hanoverian cavalry, arrived there on 19 June and took up overall command. By 27 June, the French had cut the allies' line of supply and the Pragmatic Army had suffered severely from a lack of supplies and, in a reduced state, decided to fall back on Hanau, just what the French wanted. This was the result of skillful maneuvering and harassment by a French army of some 45,000 led by Noailles.
On 27 June, the Pragmatic Army marched west from the town of Aschaffenburg, along the line of the north bank of the Main river, right into the famous 'mousetrap' set by Noailles at the village of Dettingen, which cut the allies' line of retreat to Hanau. There, behind the Forbach stream running into the Main, Noailles had stationed the Duc of Gramont with a blocking force of some 23,000 troops in a line that ran from Dettingen to the Spessart Heights behind the marshy stream. Noailles had also lined the south bank of the Main with artillery that could fire without interference on the Pragmatic army's left flank. Meanwhile, about 12,000 French troops marched north on Aschaffenburg, crossing the Main behind the allied army. Thickly wooded hills to the Pragmatic Army's right flank prevented the allies from turning Gramont's position.
Some six hours passed with the British, Austrians and Hanoverians trying to form an advance in this confined position. At one point, George II's horse ran off with him; it was halted by Ensign Cyrus Trapaud, who received a promotion as a reward. James Wolfe wrote that the Pragmatic first line of infantry consisted of nine regiments of British foot, four or five Austrian regiments and some Hanoverian regiments. About noon, against orders, Gramont impatiently attacked the allies with the Maison du Roi cavalry, initially with some success, breaking through the British front lines, throwing the British cavalry into their infantry and capturing a number of standards. The French infantry followed and they too had initial success, throwing back several British regiments of foot. However, the charge forced the French artillery to stop firing and, with the attack spent and the French out of their defences, the allies counter-attacked. An Austrian brigade of three regiments advanced into a gap made by the British retiring and charged the French infantry in the flank while a large Hanoverian artillery battery cannonaded the French line. The French line collapsed with the Allies driving Gramont's force across and into the river with the British foot quick off the step for their earlier hardships. As a consequence, the road to Hanau was opened, which allowed the Allies to continue their retreat and re-supply.
With the French defeat at Dettingen, the Duc de Noailles missed the best opportunity to win the war at a stroke for the French. Had the French prevailed, the Pragmatic Army would have had to surrender or starve, and King George II might have fallen prisoner to Louis XV.
During the battle, Lieutenant-Colonel Sir Andrew Agnew of Lochnaw warned his regiment The Royal Scots Fusiliers not to fire until they could "see the whites of their e'en". A noted wit, Sir Andrew is also quoted as addressing his regiment thus: "Lads, you see they loons (young men) on yon' hill. Better kill them afore they kill you." And to George II after the battle, who had (humorously) chided him for letting a French cavalry charge break into his regiment's position: "Ay, please Your Majesty, but they didna' gang back again."
The two parties had agreed before the battle that the sick and wounded who fell into the hands of the enemy would be cared for and not considered prisoners of war. When the allies retreated they left behind most of their wounded, and the French respected the agreement, a precursor of the Geneva Convention.
Dettingen has since 1947 been the name of one of the training companies at the Royal Military Academy Sandhurst. In recent years it has been the training unit for short courses (for example the Territorial Army Officers' Commissioning Courses) run at the Academy. Additionally, it is the name of 4 (Dettingen) Troop at Army Training Regiment Winchester.
- "The Austrian imperial standard has, on a yellow ground, the black double-headed eagle, on the breast and wings of which are imposed shields bearing the arms of the provinces of the empire. The flag is bordered all round, the border being composed of equal-sided triangles with their apices alternately inwards and outwards, those with their apices pointing inwards being alternately yellow and white, the others alternately scarlet and black" (Chisholm 1911, p. 461)
- "The imperial banner was a golden yellow cloth ... bearing a black eagle ... The double-headed eagle was finally established by Sigismund as regent ..." (Smith 1975, pp. 114–119)
- "... the standard of France was white, sprinkled with golden fleur de lis ..." (Ripley & Dana 1879, p. 250).
- On the reverse of this plate it says: "Le pavillon royal était véritablement le drapeau national au dix-huitième siecle ... Vue du chateau d'arrière d'un vaisseau de guerre de haut rang portant le pavillon royal (blanc, avec les armes de France)" (Vinkhuijzen collection 2011).
- "The oriflamme and the Chape de St Martin were succeeded at the end of the 16th century, when Henry III., the last of the house of Valois, came to the throne, by the white standard powdered with fleurs-de-lis. This in turn gave place to the famous tricolour" (Chisholm 1911, p. 460).
- Missing unrecorded and not included
- Many British sources from the time express the date as 16 June (according to the 'Julian calendar' (Old Style), which was still in use in Britain at the time) instead of 27 June according to the Gregorian calendar (New Style). Britain adopted the Gregorian calendar in 1752.
- Lecky, W.E.H. A history of England in the eighteenth century, London, 1878, Volume 1, p. 423. "The battle of Dettingen was truly described as a happy escape rather than a great victory ..." 
- Chandler, David. The Art of Warfare in the Age of Marlborough. Spellmount Limited, (1990): ISBN 0-946771-42-1, p.306: Some statistics taken from Chandler
- The Gentleman's magazine, London, 1743, Volume 13, p.429, gives 23,000
- Hamilton, Lieutenant-General F. W. Origin and History of the First or Grenadier Guards, London, 1874, Vol. II, p.109, gives French under Grammont at 20,000 in 5 Brigades.
- Hamilton, Lieutenant-General F. W. Origin and History of the First or Grenadier Guards, London, 1874, Vol. II, p.111
- The Gentleman's magazine, London, 1743, Volume 13, p. 385. Details of allied losses. Townshend, Sir Charles Vere Ferrers. The military life of Field-Marshal George first marquess Townshend, London, 1901, p.39, gives a total of 2,322 killed and wounded.
- Rolt gives 930, p. 75.
- Townshend, Sir Charles Vere Ferrers. The military life of Field-Marshal George first marquess Townshend, London, 1901, p.41.
- Hesse State Archive Marburg 21 WHK Wilhelmshöher Kriegskarten Bd. 21: Österreichischer Erbfolgekrieg 1740–1748 bis zum Aachener Frieden Relation S3, gives a total of 4104 killed or wounded. A German document gives somewhat higher totals for the artillery and cavalry which are used here.
- Edward E. Morris, The Early Hanoverians, London, 1886, pp. 123–27.
- See DBNL. De Gids Jaargang 1885 (in Dutch), p. 300.
- Stephen Brumwell, Paths of Glory, London, 2006, ISBN 1-85285-553-3, p. 31
- Robert Wright, The Life of Major-General James Wolfe, London, 1864, p. 44
- Duffy, Christopher The Military Experience in the Age of Reason, 1998, Wordsworth Editions Ltd., Hertfordshire, ISBN 1-85326-690-6, p. 19, "the Comte de Stainville (later Duc de Choiseul) three times heard Marshall Noailles order the army to reoccupy the position...".
- Morris, Edward Ellis.The Early Hanoverians, London, 1886, p. 126, of the Maison du Roi cavalry: "The charge came with such force that it broke, at least in parts, the three front lines of the British, but could not break the fourth."
- Morris, Constance Lily. Maria Theresa – The Last Conservative, 1937, p. 108, gives four battalions.
- Robert Wright, The Life of Major-General James Wolfe, London, 1864, pp. 44–45.
- Daniel Mackinnon, Origin and services of the Coldstream Guards, London 1883, Vol.1, p. 358
- Brumwell, Stephen, Paths of Glory, London, 2006, ISBN 1-85285-553-3, pp. 30–31.
- M'Crie, Thomas, Memoirs of Sir Andrew Agnew of Lochnaw, London, MDCCCL, p.9. Anderson, William (1863). The Scottish Nation: Or, The Surnames, Families, Literature, Honours, and Biographical History of the People of Scotland. 2. Fullarton. p. 679.
- The Hereditary Sheriffs of Galloway, Sir Andrew Agnew of Lochnaw Bt, 2nd ed, Edinburgh 1893, Vol 2, p. 279
- Chisholm, Hugh, ed. (1911). "Flag". Encyclopædia Britannica. 10 (11th ed.). Cambridge University Press. pp. 454–463.
- Ripley, George; Dana, Charles A., eds. (1879). "Flag". The American Cyclopædia. 8. p. 250.
- "The Vinkhuijzen collection of military uniforms: France, 1750-1757". New York Public Library. 25 March 2011 . Archived from the original on 8 March 2013.
- Smith, Whitney (1975). Flags through the ages and across the world. England: McGraw-Hill. pp. 114–119. ISBN 0-07-059093-1.
- Chandler, David (1990). The Art of Warfare in the Age of Marlborough. Spellmount Limited. ISBN 0-946771-42-1.
- Browning, Reed (1993). The War of the Austrian Succession. New York: St. Martin's Press. ISBN 0-312-12561-5.
- Hamilton, Lieutenant-General F.W. (1874). Origin and History of the First or Grenadier Guards. vol. II. London.
- Mackinnon, Daniel (1883). Origin and services of the Coldstream Guards. vol.1. London.
- Morris, Edward Ellis (1886). The Early Hanoverians. London.
- Rolt, Richard (1767). Historical memoirs of His late Royal Highness William-Augustus, duke of Cumberland. London.
- Wright, Robert (1864). The Life of Major-General James Wolfe. London.
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