The Triple Alliance among Austria-Hungary, Germany, and Italy was an agreement that each country would support and defend the other in case of military attack. The alliance remained in force into World War I.
A major contribution to the system of entangling alliances that prevailed in Europe from 1871 to 1914 was the expansion of the Dual Alliance of 1879
As soon as the Dual Alliance had been signed, Italy sought admission as a full-fledged member. There were two important reasons. Domestically, the Italians were concerned during the early 1880’s over the possible restoration of the Papal States to the papacy, since Leo XIII, who had succeeded Pius IX in 1878, had reached a religious rapprochement with the anticlerical governments of Austria and Germany. Of even greater significance was the French occupation of Tunis
Indeed, Otto von Bismarck, the chancellor of the German Empire, made it clear to the Italians, whose partnership he was at first hesitant to accept, that they must negotiate their membership with Vienna before gaining admittance to the alliance. Accordingly in October, 1881, King Umberto
The terms of the Triple Alliance supplemented rather than supplanted those of the Dual Alliance of 1879. Explicitly a defensive pact, the Triple Alliance bound Germany and Austria to come to the aid of Italy if it were attacked by France; similarly, if France attacked Germany, Italy would come to its aid. In the event that one or two of the signatories were attacked by two or more powers, the other allies or ally would render armed assistance. If one of the allies were obliged to make war on a nonsignatory power, the other allies would observe a benevolent neutrality. Finally, if war became imminent for one of the contracting parties, all the parties were to consult together; if war broke out and all the allies became involved, none of them would conclude a separate peace. The treaty of alliance was to be kept secret and last for five years.
The Triple Alliance brought advantages to each member. Italy gained the prestige of association with the two great powers of central Europe. However, the unlikelihood of a French invasion of Italy’s Alpine northwestern frontier diluted the significance of Austria’s and Germany’s promise to come to the aid of their ally if France were to attack. Italy was more likely to fight for Germany than Germany for Italy. However, in the event of involvement in a defensive war against France, Italy, backed by Germany, could look forward to the possible annexation of French Nice and Savoy
More realistic advantages accrued to Austria and Germany as a result of the alliance. Austria, in the event of war with Russia, would not have to withhold part of its army to guard its southwestern frontier against an Italy fighting either for its irredentist claims or on behalf of a French ally. The ability of Austria to commit all its forces against Russia would prove invaluable to Germany in case Germany had to face Russia and France in a two-front war. A French attack on Germany would now prove difficult, as some French forces would have to be diverted to hold the Italian Alpine frontier. Neither Bismarck nor Kálnoky was impressed with Italian military strength, but both statesmen wanted Italy to threaten France’s frontier rather than Austria’s frontier. “Sparing the Austrian forces,” as Bismarck put it, “rather than winning those of Italy is our aim.”
There was, as Bismarck himself realized, a great deal of truth in the second part of this remark, for while Germany and Austria recognized the advantage in an alignment with Italy, neither power ever trusted Italy. The traditional Austro-Italian rivalry soon flared up over territorial questions in the northern Adriatic and the Balkans. Meanwhile, Franco-Italian relations improved to the point where, in 1900, Paris and Rome arrived at a rapprochement over their disputes in North Africa, followed in 1902 by an Italian promise to France to remain neutral in the event of an attack on France. These steps had the effect of nullifying Italy’s participation in the Triple Alliance that, however, was renewed when required until 1914.
When World War I broke out and German troops threatened to break through to Paris, Italy remained neutral, an act that may well have spared France and Great Britain total defeat. In the Treaty of London in 1915, the two allies persuaded Italy to enter the war on the side of the Triple Entente. Hence, what Austria and Germany had feared and attempted to forestall—namely, an attack on Austria’s frontier—actually took place, to the strategic disadvantage of the Central Powers throughout the remainder of World War I.
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Albertini, Luigi. The Origins of the War of 1914. Vol. 1. London: Oxford University Press, 1952. Emphasis is on Italy’s participation in the alliance. French occupation of Tunis was the main reason for Italy seeking a formal relationship with Germany and Austria. -
Fay, Sydney B. The Origins of the World War. 2d rev. ed. New York: Macmillan, 1930. An analysis of the alliance. The author rejects the contention that Bismarck actively sought Italy as an ally. -
Hayes, Carlton J. H. A Generation of Materialism, 1871-1900. New York: Harper & Row, 1941. Provides a useful synopsis of the reasons for Italy’s entry into the alliance with Germany and Austria. -
Langer, William L. European Alliances and Alignments, 1871-1890. 2d ed. New York: Alfred A. Knopf, 1950. Author devotes a chapter to the Triple Alliance and provides brief and substantial descriptions and interpretations. -
Schmitt, Bernadotte E. Triple Alliance and Triple Entente. New York: Howard Fertig, 1971. Account of the background of the alliance and its effects. A valuable source both for description and interpretation. -
Waller, Bruce. Bismarck. New York: Basil Blackwell, 1985. Biography of the statesman who was most directly responsible for the Triple Alliance. Places it within a more intimate context.
Bismarck Becomes Prussia’s Minister-President
North German Confederation Is Formed
Austria and Prussia’s Seven Weeks’ War
Austrian Ausgleich
Franco-Prussian War
German States Unite Within German Empire
Three Emperors’ League Is Formed
Franco-Russian Alliance
Otto von Bismarck; Friedrich von Holstein; Leo XIII.