Mobilization (alternatively spelled as mobilisation) is the act of assembling and readying military troops and supplies for war. The word mobilization was first used in a military context in the 1850s to describe the preparation of the Prussian Army.[1] Mobilization theories and tactics have continuously changed since then. The opposite of mobilization is demobilization.
Mobilization institutionalized the Levée en masse (engl. mass levy of conscripts) that was first introduced during the French Revolution. It became an issue with the introduction of conscription, and the introduction of the railways in the 19th century.
A number of technological and societal changes promoted the move towards a more organized way of deployment. These included the telegraph to provide rapid communication, the railways to provide rapid movement and concentration of troops, and conscription to provide a trained reserve of soldiers in case of war.
History
Roman Republic
The Roman Republic was able to mobilize at various times between 6% (81–83 BCE) to as much as 10% (210s BCE) of the total Roman population, in emergencies and for short periods of time.[2] This included poorly-trained militia.
Armies in the seventeenth century possessed an average of 20,000 men.[3] A military force of this size requires around 20 tons of food per day, shelter, as well as all the necessary munitions, transportation (typically horses or mules), tools, and representative garments.[3] Without efficient transportation, mobilizing these average-sized forces was extremely costly, time-consuming, and potentially life-threatening.[3] Soldiers could traverse the terrain to get to war fronts, but they had to carry their supplies.[3] Many armies decided to forage for food;[3] however, foraging restricted movement because it is based on the presumption that the army moves over land possessing significant agricultural production.[3]
However, due to new policies (like conscription), greater populations, and greater national wealth, the nineteenth-century army was composed of an average of 100,000 men. For example, in 1812 Napoleon led an army of 600,000 to Moscow while feeding off plentiful agricultural products introduced by the turn of the century, such as potatoes.[4] Despite the advantages of mass armies, mobilizing forces of this magnitude took much more time than it had in the past.[5]
The Second Italian War of Independence illustrated all of the problems in modern army mobilization. Prussia began to realize the future of mobilizing mass armies when Napoleon III transported 130,000 soldiers to Italy by military railways in 1859.[5] French caravans that carried the supplies for the French and Piedmontese armies were incredibly slow, and the arms inside these caravans were sloppily organized.[6] These armies were in luck, however, in that their Austrian adversaries experienced similar problems with sluggish supply caravans (one of which apparently covered less than three miles per day).[6]
Not only did Prussia take note of the problems in transporting supplies to armies, but it also took note of the lack of communication between troops, officers, and generals. Austria's army was primarily composed of Slavs, but it contained many other ethnicities as well.[7] Austrian military instruction during peacetime utilized nine different languages, accustoming Austrian soldiers to taking orders only in their native language.[7] Conversely, in an effort to augment the efficacy of the new "precision rifle" developed by the monarchy, officers were forced to only speak German when giving orders to their men.[7] Even one Austrian officer commented at Solferino that his troops could not even comprehend the command, "Halt."[7] This demonstrates the communicative problems that arose quickly with the advent of the mass army.
Mobilization in World War I
Map of the Schlieffen Plan and planned French counter-offensives
Intricate plans for mobilization contributed greatly to the beginning of World War I, since in 1914, under the laws and customs of warfare then observed (not to mention the desire to avoid compromising national security), general mobilization of one nation's military forces was invariably considered an act of war by that country's likely enemies.
In 1914, the United Kingdom was the only EuropeanGreat Power without conscription. The other Great Powers (Austria-Hungary, Italy, France, Germany and Russia) all relied on compulsory military service to supply each of their armies with the millions of men they believed they would need to win a major war. France enacted the "Three Year Law" (1913) to extend the service of conscripted soldiers to match the size of the German army, as the French population of 40million was smaller than the German population of 65million people.[8][9] The Anglo-German naval arms race began, sparked by the German enactment of the Second Naval Law. Each of the Great Powers could only afford to keep a fraction of these men in uniform in peacetime, the rest were reservists with limited opportunities to train. Maneuvering formations of millions of men with limited military training required intricate plans with no room for error, confusion, or discretion after mobilization began. These plans were prepared under the assumption of worst-case scenarios.
For example, German military leaders did not plan to mobilize for war with Russia whilst assuming that France would not come to her ally's aid, or vice versa. The Schlieffen Plan therefore dictated not only mobilization against both powers, but also the order of attack—France would be attacked first regardless of the diplomatic circumstances. To bypass the fortified Franco-German frontier, the German forces were to be ordered to march through Belgium. Whether or not Russia had committed the first provocation, the German plan agreed to by Emperor William II called for the attack on Russia to take place only after France was defeated.
Belgian army mobilisation papers to join a Lanciers regiment
Similarly, the Russian Stavka's war planning assumed that war against either Austria-Hungary or Germany would mean war against the other power. Although the plan allowed flexibility as to whether the main effort would be made against Germany or Austria-Hungary, in either case units would be mobilized on the frontiers of both Powers. On July 28, 1914, Tsar Nicholas II of Russia (William's cousin) ordered partial mobilization against Austria-Hungary only. While war with Austria-Hungary seemed inevitable, Nicholas engaged in a personal dialogue with the German Emperor in an attempt to avoid war with Germany. However, Nicholas was advised that attempts to improvise a partial mobilization would lead to chaos and probable defeat if, as pessimists on the Russian side expected, no amount of diplomacy could convince the Germans to refrain from attacking Russia whilst she was engaged with Germany's ally. On July 29, 1914, the Tsar ordered full mobilization, then changed his mind after receiving a telegram from Kaiser Wilhelm. Partial mobilization was ordered instead.
The next day, the Tsar's foreign minister, Sergey Sazonov once more persuaded Nicholas of the need for general mobilization, and the order was issued that day, July 30. In response, Germany declared war on Russia.
Germany mobilized under von Moltke the Younger's revised version of the Schlieffen Plan, which assumed a two-front war with Russia and France. Like Russia, Germany decided to follow its two-front plans despite the one-front war. Germany declared war on France on August 3, 1914, one day after issuing an ultimatum to Belgium demanding the right of German troops to pass through as part of the planned pincer action of the military. Finally, Britain declared war on Germany for violating Belgian neutrality.
Thus the entangling alliances of the Triple Alliance and the Triple Entente directed the intricate plans for mobilization. This brought all of the Great Powers of Europe into the Great War without actually utilizing the provisions of either alliance.
German soldiers in a railway car on the way to the front in August 1914. The message on the car reads Von München über Metz nach Paris. (From Munich via Metz to Paris).
The mobilization was like a holiday for many of the inexperienced soldiers; for example, some Germans wore flowers in the muzzles of their rifles as they marched. Trains brought soldiers to the front lines of battle. The Germans timetabled the movements of 11,000 trains as they brought troops across the Rhine River. The French mobilized around 7,000 trains for movement. Horses were also mobilized for war. The British had 165,000 horses prepared for cavalry, the Austrians 600,000, the Germans 715,000, and the Russians over a million.[10]
Britain's Dominions including Australia, Canada, New Zealand and South Africa were compelled to go to war when Britain did. However, it was largely left up to the individual Dominions to recruit and equip forces for the war effort. Canadian, Australian and New Zealand mobilizations all involved the creation of new field forces for overseas service rather than using the existing regimental structures as a framework. In the case of Canada, the Militia Minister, Sir Sam Hughes, created the Canadian Expeditionary Force by sending telegrams to 226 separate reserve unit commanders asking for volunteers to muster at Valcartier in Quebec. The field force served separately from the Militia (Canada's peacetime army); in 1920 the Otter Commission was compelled to sort out which units would perpetuate the units that served in the trenches—the CEF or the prewar Militia. A unique solution of perpetuations was instituted, and mobilization during the Second World War did not repeat Sir Sam Hughes' model, which has been described by historians as being more closely akin to ancient Scottish clans assembling for battle than a modern, industrialized nation preparing for war.
Photograph shows reservists and crowd at the Gare de Paris-Est, Paris during the beginning of World War I
"Colonials" served under British command though, perhaps owing to the limited autonomy granted to the Dominions regarding their respective mobilizations, the Dominions eventually compelled the British government to overrule the objections of some British commanders and let the Dominion forces serve together instead of being distributed amongst various British divisions. The "colonials" would go on to be acknowledged by both the British and German high commands as being elite British units. In May 1918, when command of the Australian Corps passed from William Birdwood to John Monash, it became the first British Empire formation commanded totally free of British officers.
On May 23, 1915, Italy entered World War I on the Allied side. Despite being the weakest of the big four Allied powers, the Italians soon managed to populate its army from 560 to 693 infantry battalions in 1916; the army had grown in size from 1million to 1.5million soldiers.[11] On August 17, 1916, Romania entered the war on the Allied side, mobilizing an army of 23 divisions. Romania was quickly defeated however by Germany, Austria-Hungary, and Bulgaria. Bulgaria went so far as to ultimately mobilize 1.2million men, more than a quarter of its population of 4.3million people, a greater share of its population than any other country during the war.
The production of supplies gradually increased throughout the war. In Russia, the expansion of industry allowed a 2,000 percent increase in the production of artillery shells – by November 1915, over 1,512,000 artillery shells were being produced per month. In France, a massive mobilization by the female population to work in factories allowed the rate of shell production to reach 100,000 shells a day by 1915.[12]
Both sides also began drawing on larger numbers of soldiers. The British Secretary of State for War, Lord Kitchener, appealed for hundreds of thousands of soldiers, which was met with an enthusiastic response. 30 new British divisions were created. The response by volunteers allowed the British to put off the introduction of conscription until 1916. New Zealand followed suit, with Canada also eventually introducing conscription with the Military Service Act in 1917.
On April 6, 1917, the United States entered the war on the Allied side. At the entrance, the U.S. only could mobilize its army of 107,641 soldiers, ranked only seventeenth in size worldwide at the time. The United States Navy quickly mobilized, adding 5 dreadnoughts to the Allied navy. However, conscription quickly ensued. By March 1918, 318,000 U.S. soldiers had been mobilized to France. Eventually, by October 1918, a force of 2million U.S. soldiers joined in the war effort.[13]
Poland partly mobilized its troops on August 24, 1939, and fully mobilized on August 30, 1939, following the increased confrontations with Germany since March 1939. On September 1, 1939 Germany invaded Poland, which prompted both France and Britain to declare war on Germany. However, they were slow to mobilize, and by the time Poland had been overrun by the Axis powers, only minor operations had been carried out by the French at the Saar River.
Canada actually carried out a partial mobilization on August 25, 1939, in anticipation of the growing diplomatic crisis. On September 1, 1939, the Canadian Active Service Force (a corps-sized force of two divisions) was mobilized even though war was not declared by Canada until September 10, 1939. Only one division went overseas in December 1939, and the government hoped to follow a "limited liability" war policy. When France was invaded in May 1940, the Canadian government realized that would not be possible and mobilized three additional divisions, beginning their overseas employment in August 1940 with the dispatch of the 2nd Canadian Division (some units of which were deployed to Iceland and Newfoundland for garrison duty before moving to the UK). Canada also enacted the National Resources Mobilization Act in 1940, which among other things compelled men to serve in the military, though conscripts mobilized under the NRMA did not serve overseas until 1944. Conscripts did, however, serve in the Aleutian Islands Campaign in 1943 though the anticipated Japanese defense never materialized due to the evacuation of the enemy garrison before the landings. Service in the Aleutians was not considered "overseas" as technically the islands were part of North America.
The United Kingdom mobilized 22% of its total population for direct military service, more than any other nation in the WWII era.[14]
Up to 34 million soldiers served in the Red Army during World War II, representing the largest military force in world history.[15]
Post–World War II
Volodymyr Zelenskyy, the President of Ukraine, signed a decree on February 24, 2022 on the general mobilization of the population in the 2022 Russian invasion of Ukraine. Conscripts and reservists were called up over the next 90 days to "ensure the defense of the state, maintaining combat and mobilization readiness". Men between the ages of 18 and 60 were prohibited from leaving the country.[16]
Economic mobilization is the preparation of resources for usage in a national emergency by carrying out changes in the organization of the national economy.[18]
It is reorganizing the functioning of the national economy to use resources most effectively in support of the total war effort. Typically, the available resources and productive capabilities of each nation determined the degree and intensity of economic mobilization. Thus, effectively mobilizing economic resources to support the war effort is a complex process, requiring superior coordination and productive capability on a national scale.[19] Importantly, some scholars have argued that such large scale mobilization of society and its resources for the purposes of warfare have the effect of aiding in state building.[20] Herbst argues that the demands of reacting to an external aggressor provides a strong enough impetus to force structural changes and also forge a common national identity.[21]
↑ Vincennes, Archive de l'Armèe de Terre (AAT), 7N848, Gaston Bodart, "Die Starkeverhaltnisse in den bedeutesten Schlachten." Craig, The Battle of Königgrätz.
1 2 Michael Howard, The Franco-Prussian War (1961; London: Granada, 1979), p. 23.
1 2 Vincennes, AAT, MR 845, Anon., "Précis historique de la campagne d'Italie en 1859." Wolf Schneider von Arno, "Der österreichisch-ungarische Generalstab," (Kriegsarchiv Manuscript), vol. 7, pp. 18, 54, 55.
1 2 3 4 D. N., "Über die Truppensprachen unserer Armee," Österreichische Militärische Zeitschrift (ÖMZ) 2 (1862), pp. 365–7.
↑ Кривошеев, ГФ [Krivosheev, GF]. Россия и СССР в войнах XX века: потери вооруженных сил. Статистическое исследование[Russia and the USSR in the wars of the 20th century: losses of the Armed Forces. A Statistical Study] (in Russian).{{citation}}: CS1 maint: multiple names: authors list (link)
Conscription, also known as the draft in American English, is the practice in which the mandatory enlistment in a national service, mainly a military service, is enforced by law. Conscription dates back to antiquity and it continues in some countries to the present day under various names. The modern system of near-universal national conscription for young men dates to the French Revolution in the 1790s, where it became the basis of a very large and powerful military. Most European nations later copied the system in peacetime, so that men at a certain age would serve 1 to 8 years on active duty and then transfer to the reserve force.
The Finnish Defence Forces (FDF) (Finnish: Puolustusvoimat, Swedish: Försvarsmakten) are the military of Finland. The Finnish Defence Forces consist of the Finnish Army, the Finnish Navy, and the Finnish Air Force. In wartime, the Finnish Border Guard becomes part of the Finnish Defence Forces.
The total number of military and civilian casualties in World War I was about 40 million: estimates range from around 15 to 22 million deaths and about 23 million wounded military personnel, ranking it among the deadliest conflicts in human history.
The Austro-Prussian War, also by many variant names such as Seven Weeks' War, German Civil War, Brothers War or Fraternal War, known in Germany as Deutscher Krieg, Deutsch-Deutscher Krieg, Deutscher Bruderkrieg and by a variety of other names, was fought in 1866 between the Austrian Empire and the Kingdom of Prussia, with each also being aided by various allies within the German Confederation. Prussia had also allied with the Kingdom of Italy, linking this conflict to the Third Independence War of Italian unification. The Austro-Prussian War was part of the wider rivalry between Austria and Prussia, and resulted in Prussian dominance over the German states.
The Norwegian Army is the land warfare service branch of the Norwegian Armed Forces. The Army is the oldest of the Norwegian service branches, established as a modern military organization under the command of the King of Norway in 1628. The Army participated in various continental wars during the 17th, 18th, and 19th centuries as well, both in Norway and abroad, especially in World War II (1939–1945). It constitutes part of the Norwegian military contribution as a charter member of the North Atlantic Treaty Organization (NATO) since 1949.
The Eastern Front or Eastern Theater of World War I was a theater of operations that encompassed at its greatest extent the entire frontier between Russia and Romania on one side and Austria-Hungary, Bulgaria, the Ottoman Empire, and Germany on the other. It ranged from the Baltic Sea in the north to the Black Sea in the south, involved most of Eastern Europe, and stretched deep into Central Europe. The term contrasts with the Western Front, which was being fought in Belgium and France. Unlike the static warfare on the Western Front, the fighting on the geographically larger Eastern Front was more dynamic, often involving the flanking and encirclement of entire formations, and resulted in over 100,000 square miles of territory becoming occupied by a foreign power.
A reservist is a person who is a member of a military reserve force. They are otherwise civilians, and in peacetime have careers outside the military. Reservists usually go for training on an annual basis to refresh their skills. This person is usually a former active-duty member of the armed forces, and they remain a reservist either voluntarily, or by obligation. In some countries such as Israel, Norway, Finland, Singapore, and Switzerland, reservists are conscripted soldiers who are called up for training and service when necessary.
The history of Canada during World War II begins with the German invasion of Poland on 1 September 1939. While the Canadian Armed Forces were eventually active in nearly every theatre of war, most combat was centred in Italy, Northwestern Europe, and the North Atlantic. In all, some 1.1 million Canadians served in the Canadian Army, Royal Canadian Navy, Royal Canadian Air Force, out of a population that as of the 1941 Census had 11,506,655 people, and in forces across the empire, with approximately 42,000 killed and another 55,000 wounded. During the war, Canada was subject to direct attack in the Battle of the St. Lawrence, and in the shelling of a lighthouse at Estevan Point on Vancouver Island, British Columbia.
World War I or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Fighting took place mainly in Europe and the Middle East, as well as in parts of Africa and the Asia-Pacific, and in Europe was characterised by trench warfare and the use of artillery, machine guns, and chemical weapons (gas). World War I was one of the deadliest conflicts in history, resulting in an estimated 9 million military dead and 23 million wounded, plus up to 8 million civilian deaths from causes including genocide. The movement of large numbers of people was a major factor in the Spanish flu pandemic, which killed millions.
A military reserve force is a military organization whose members (reservists) have military and civilian occupations. They are not normally kept under arms, and their main role is to be available when their military requires additional manpower. Reserve forces are generally considered part of a permanent standing body of armed forces, and allow a nation to reduce its peacetime military expenditures and maintain a force prepared for war. During peacetime, reservists typically serve part-time alongside a civilian job, although most reserve forces have a significant permanent full-time component as well. Reservists may be deployed for weeks or months-long missions during peacetime to support specific operations. During wartime, reservists may be kept in service for months or years at a time, although typically not for as long as active duty soldiers.
At the outbreak of World War I in August 1914, Hungary was part of the Dual Monarchy of Austria-Hungary. Although there are no significant battles specifically connected to Hungarian regiments, the troops suffered high losses throughout the war as the Empire suffered defeat after defeat. The result was the breakup of the Empire and eventually, Hungary suffered severe territorial losses by the closing Trianon Peace Treaty.
Conscription in the Russian Empire was introduced by Peter I of Russia. The system was called "conscript obligation".
The Imperial Russian Army or Russian Imperial Army was the armed land force of the Russian Empire, active from 1721 until the Russian Revolution of 1917. It was organized into a standing army and a state militia. The standing army consisted of regular troops and two forces that served on separate regulations: the Cossack troops and the Muslim troops.
When the United Kingdom declared war on Nazi Germany in September 1939 at the start of World War II, it controlled to varying degrees numerous crown colonies, protectorates, and India. It also maintained strong political ties to four of the five independent Dominions—Australia, Canada, South Africa, and New Zealand—as co-members of the British Commonwealth. In 1939 the British Empire and the Commonwealth together comprised a global power, with direct or de facto political and economic control of 25% of the world's population, and of 30% of its land mass.
The mobilization of the Bulgarian Army on the eve of the Kingdom of Bulgaria's entry into World War I took place between 11 and 30 September 1915. It was a direct consequence of the military convention between the German Empire, Austria-Hungary and Bulgaria and the Treaty of Friendship and Alliance between Bulgaria and Germany that were signed on 6 September, marking the official alignment of the country with the Central Powers.
France was the first modern nation state to introduce universal military conscription as a condition of citizenship. This was done in order to provide manpower for the country's military at the time of the French Revolution (1789–1799). Conscription in France continued in various forms for the next two centuries, until being phased out from 1997 to 2001.
The home front during World War I covers the domestic, economic, social and political histories of countries involved in that conflict. It covers the mobilization of armed forces and war supplies, lives of others, but does not include the military history. For nonmilitary interactions among the major players see diplomatic history of World War I.
Germany entered into World War I on August 1, 1914, when it declared war on Russia. In accordance with its war plan, it ignored Russia and moved first against France–declaring war on August 3 and sending its main armies through Belgium to capture Paris from the north. The German invasion of Belgium caused Britain to declare war on Germany on August 4. Most of the main parties were now at war. In October 1914, the Ottoman Empire joined the war on Germany's side, becoming part of the Central Powers. Italy, which was allied with Germany and Austria-Hungary before World War I, was neutral in 1914 before switching to the Allied side in May 1915.
On 21 September 2022, seven months into the Russian invasion of Ukraine, Russia declared a partial mobilization of military reservists. The decision was made a day after the announcement of the Russian annexation of the DPR, LPR, Kherson and Zaporizhzhia oblasts.
A general mobilization into the Armed Forces of Ukraine has been taking place in Ukraine since 2014.
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