Franco-Prussian War

Franco-Prussian War
Part of the unification of Germany
(clockwise from top right)
Date19 July 1870 – 28 January 1871
(6 months, 1 week and 2 days)
Location
Result

German victory

Territorial
changes
German annexation of Alsace-Lorraine
Belligerents
Before 4 September 1870:
 French Empire
After 4 September 1870:
 French Republic[a]

Before 18 January 1871:
 North German Confederation

 Bavaria
 Württemberg
 Baden


After 18 January 1871:
 German Empire
Commanders and leaders
Strength

Total deployment:

Initial strength:

  • 909,951

Peak field army strength:

Total deployment:

Initial strength:

  • 938,424

Peak field army strength:

Casualties and losses

756,285[5][6]

144,642[11]

  • 44,700 dead[12]
  • 89,732 wounded
  • 10,129 missing or captured
~250,000 civilians dead, including 162,000 Germans in a smallpox epidemic spread by French POWs[11]

The Franco-Prussian War or Franco-German War,[b] often referred to in France as the War of 1870, was a conflict between the Second French Empire and the North German Confederation led by the Kingdom of Prussia. Lasting from 19 July 1870 to 28 January 1871, the conflict was caused primarily by France's determination to reassert its dominant position in continental Europe, which appeared in question following the decisive Prussian victory over Austria in 1866.[13] According to some historians, Prussian chancellor Otto von Bismarck deliberately provoked the French into declaring war on Prussia in order to induce four independent southern German states—Baden, Württemberg, Bavaria and Hesse-Darmstadt—to join the North German Confederation; other historians contend that Bismarck exploited the circumstances as they unfolded. All agree that Bismarck recognized the potential for new German alliances, given the situation as a whole.[14]

France mobilised its army on 15 July 1870, leading the North German Confederation to respond with its own mobilisation later that day. On 16 July 1870, the French parliament voted to declare war on Prussia; France invaded German territory on 2 August. The German coalition mobilised its troops much more effectively than the French and invaded northeastern France on 4 August. German forces were superior in numbers, training, and leadership and made more effective use of modern technology, particularly railways and artillery.

A series of hard-fought Prussian and German victories in eastern France, culminating in the Siege of Metz and the Battle of Sedan, resulted in the capture of the French Emperor Napoleon III and the decisive defeat of the army of the Second Empire; a Government of National Defense was formed in Paris on 4 September and continued the war for another five months. German forces fought and defeated new French armies in northern France, then besieged Paris for over four months before it fell on 28 January 1871, effectively ending the war.

In the final days of the war, with German victory all but assured, the German states proclaimed their union as the German Empire under the Prussian king Wilhelm I and Chancellor Bismarck. With the notable exceptions of Austria and German Switzerland, the vast majority of German-speakers were united under a nation-state for the first time. Following an armistice with France, the Treaty of Frankfurt was signed on 10 May 1871, giving Germany billions of francs in war indemnity, as well as most of Alsace and parts of Lorraine, which became the Imperial Territory of Alsace-Lorraine (Reichsland Elsaß-Lothringen).

The war had a lasting impact on Europe. By hastening German unification, the war significantly altered the balance of power on the continent, with the new German state supplanting France as the dominant European land power. Bismarck maintained great authority in international affairs for two decades, developing a reputation for Realpolitik that raised Germany's global stature and influence. In France, it brought a final end to imperial rule and began the first lasting republican government. Resentment over the French government's handling of the war and its aftermath triggered the Paris Commune, a revolutionary uprising which seized and held power for two months before its suppression; the event would influence the politics and policies of the Third Republic.


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  1. ^ The northern parts and the Army oh the Grand Duchy of Hesse were part of the North German Confederation G
  2. ^ a b c d e f Clodfelter 2017, p. 184.
  3. ^ a b Howard 1991, p. 39.
  4. ^ Clodfelter 2017, p. 184, 33,101 officers and 1,113,254 men were deployed into France. A further 348,057 officers and men were mobilized and stayed in Germany..
  5. ^ Nolte 1884, pp. 526–527.
  6. ^ a b c Heath & Cocolin 2020, pp. 8.
  7. ^ Nolte 1884, p. 527.
  8. ^ Clodfelter 2017, p. 187, of which 41,000 killed in action, 36,000 died of wounds and 45,000 died from disease.
  9. ^ German General Staff 1884, p. 247.
  10. ^ Bodart 1916, p. 148, At least 370,000 captured.
  11. ^ a b Clodfelter 2017, p. 187.
  12. ^ Clodfelter 2017, p. 187, of which 17,585 killed in action, 10,721 died of wounds, 12,147 died from disease, 290 died in accidents, 29 committed suicide and 4,009 were missing and presumed dead.
  13. ^ Éric Anceau, "Aux origines de la Guerre de 1870", in France-Allemagne(s) 1870–1871. La guerre, la Commune, les mémoires, (under the direction of Mathilde Benoistel, Sylvie Le Ray-Burimi, Christophe Pommier) Gallimard-Musée de l'Armée, 2017, pp. 49–50.
  14. ^ Ramm 1967, pp. 308–313, highlights three difficulties with the argument that Bismarck planned or provoked a French attack..