---
title: "Unification of Germany & Italy for UPSC GS-1"
description: "Understand realpolitik nationalism behind the unification of Germany and Italy for UPSC GS-1: Bismarck's wars, Cavour's diplomacy, and Garibaldi's campaigns."
url: "https://modeldiplomat.com/learn/lessons/upsc-world-history-unification-of-germany-italy"
---

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Unification of Germany & Italy

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# Unification of Germany & Italy

Realpolitik nationalism in Germany and Italy (1848–1871): Bismarck's three wars, Cavour's diplomacy, Garibaldi's Thousand, and the UPSC GS-1 comparative angle.

## From Revolution to Realpolitik

The revolutions of 1848 promised liberal, constitutional unification of Germany and Italy through popular assemblies; they failed. The Frankfurt Parliament (May 1848–1849) drafted a German constitution and offered the imperial crown to Frederick William IV of Prussia in April 1849, who refused a crown 'from the gutter' offered by commoners. In Italy, the Roman Republic of 1849 and the Piedmontese defeat by Austria at Custoza (1848) and Novara (March 1849) ended the romantic, Mazzinian phase. The lesson absorbed by the next generation of leaders was decisive: unification would be achieved not by parliaments and idealism but by *Realpolitik*—diplomacy backed by military force and dynastic statecraft.

## Italy: Cavour's Diplomacy and Garibaldi's Arms

Three strands drove the Italian *Risorgimento*. Giuseppe Mazzini supplied the ideological vision through 'Young Italy' (founded 1831), a unitary democratic republic. Count Camillo di Cavour, Prime Minister of Piedmont-Sardinia from 1852, supplied the diplomacy: he modernised Piedmont, joined the Crimean War (1855) to win a seat at the Congress of Paris (1856), and secured French aid through the secret Plombières Agreement with Napoleon III (July 1858). The resulting war of 1859 expelled Austria from Lombardy (Battle of Solferino), though Villafranca left Venetia under Austria. Giuseppe Garibaldi supplied the popular arms: his 'Expedition of the Thousand' (the Red Shirts) sailed in May 1860, conquered Sicily and Naples, and then surrendered his conquests to King Victor Emmanuel II at Teano (October 1860).

The Kingdom of Italy was proclaimed on 17 March 1861 with Victor Emmanuel II as king and Turin (later Florence) as capital. Two pieces remained: Venetia, acquired in 1866 by allying with Prussia in the Austro-Prussian War; and Rome, held by French troops protecting the Pope. When France withdrew during the Franco-Prussian War, Italian forces entered Rome in September 1870, completing unification. Rome became the capital in 1871, and the 'Roman Question' with the Papacy festered until the Lateran Treaty of 1929.

## The Comparative Pattern

Both unifications were led by a peripheral but modernising state (Piedmont; Prussia), engineered by a conservative statesman wielding diplomacy and war (Cavour; Bismarck), and crowned by a dynasty (Savoy; Hohenzollern) rather than a republic. In both cases nationalism was harnessed *from above* by monarchy and bureaucracy, excluding the radical-democratic currents of 1848. This 'revolution from above' is the central interpretive frame UPSC expects candidates to deploy.

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