Garibaldi in AP European History

Giuseppe Garibaldi was the wildly popular Italian military leader whose campaigns, most famously the Expedition of the Thousand in 1860, combined with Cavour's diplomatic strategies to unify Italy after centuries of fragmentation (AP Euro Topic 7.3, KC-3.4.III.A).

Verified for the 2027 AP European History examLast updated June 2026

What is Garibaldi?

Garibaldi is the muscle of Italian unification. While Count Camillo Cavour worked the diplomatic angles from the north (Piedmont-Sardinia), Garibaldi led volunteer armies from the south. His most famous move was the Expedition of the Thousand in 1860, when he landed in Sicily with roughly a thousand red-shirted volunteers and conquered the Kingdom of the Two Sicilies, then handed his conquests over to Victor Emmanuel II instead of keeping power for himself.

The CED frames him in one tight sentence (KC-3.4.III.A): Cavour's diplomatic strategies, combined with the popular Garibaldi's military campaigns, led to the unification of Italy. The word "popular" is doing real work there. Garibaldi was a romantic nationalist hero who inspired ordinary Italians, which gave unification a mass, bottom-up energy that Cavour's backroom diplomacy alone could never generate. Italian unification needed both halves, and the exam loves testing whether you understand how the two halves fit together.

Why Garibaldi matters in AP® Euro

Garibaldi lives in Unit 7 (19th-Century Perspectives and Political Developments), Topic 7.3: National Unification and Diplomatic Tensions. He directly supports learning objective AP Euro 7.3.A, which asks you to explain the factors that resulted in Italian and German unification. Garibaldi is your evidence for the nationalist, popular-movement side of Italian unification, the counterweight to Cavour's calculated diplomacy. He also matters for the bigger Unit 7 story about nationalism. Early in the century, nationalism was a romantic, revolutionary force (think Garibaldi's volunteers). By mid-century, leaders like Cavour and Bismarck harnessed it through Realpolitik. Garibaldi sits right at that hinge, which makes him perfect material for comparison and continuity arguments on the exam.

How Garibaldi connects across the course

Cavour (Unit 7)

Garibaldi and Cavour are a package deal in the CED, but they unified Italy in opposite ways. Cavour used diplomacy, alliances, and calculation; Garibaldi used volunteers, charisma, and battlefield momentum. The famous moment is Garibaldi surrendering his southern conquests to Victor Emmanuel II, which let Cavour's monarchy absorb the popular movement.

Crimean War (Unit 7)

The Crimean War (1853-1856) broke the Concert of Europe, the great-power system that had frozen the map since 1815. That breakdown (KC-3.4.II.A) created the opening Garibaldi and Cavour exploited. No Crimean War, no realistic shot at unification.

Bismarck's Realpolitik (Unit 7)

The exam constantly pairs Italian and German unification for comparison. Bismarck unified Germany top-down through Realpolitik, industrialized warfare, and manipulated democratic mechanisms. Italy's unification had a genuine popular, bottom-up component thanks to Garibaldi. That contrast is the answer to a lot of MCQ stems.

Austro-Prussian War (Unit 7)

Austria was the common obstacle to both unifications. Italy gained Venetia as a side effect of Prussia's 1866 victory over Austria, a reminder that Garibaldi's campaigns alone didn't finish the job. Italian unification kept depending on great-power conflicts.

Is Garibaldi on the AP® Euro exam?

Garibaldi shows up most often in multiple-choice questions about the sequence and causes of Italian unification. Practice questions ask you to put events in order (Crimean War, then Cavour's diplomacy, then Garibaldi's Expedition of the Thousand in 1860, then final consolidation), to explain how the Crimean War made unification possible, and to analyze the diplomatic problem Garibaldi's southern campaign created for Cavour, who had to absorb the conquests before they spun out of his control. A favorite stem asks how nationalism worked differently in Italian versus German unification; Garibaldi is your evidence that Italy's version had a popular, romantic, volunteer-driven element. No released FRQ has used his name verbatim, but he's ready-made evidence for an LEQ on the causes of national unification or a comparison of Italian and German paths to nationhood.

Garibaldi vs Cavour

Easy fix once you see the division of labor. Cavour was the diplomat and prime minister of Piedmont-Sardinia who engineered alliances (like the one with France against Austria) and worked through official channels. Garibaldi was the popular military hero who led volunteer campaigns, especially the 1860 conquest of southern Italy. If the question says diplomacy, alliances, or strategy, that's Cavour. If it says popular campaigns, volunteers, or the Thousand, that's Garibaldi. The CED literally defines unification as the combination of the two.

Key things to remember about Garibaldi

  • Garibaldi was the popular military leader whose campaigns, combined with Cavour's diplomacy, unified Italy (KC-3.4.III.A).

  • His Expedition of the Thousand in 1860 conquered Sicily and southern Italy with about a thousand volunteer Red Shirts.

  • Garibaldi handed his southern conquests to Victor Emmanuel II, letting the Piedmontese monarchy absorb the popular movement instead of splitting Italy in two.

  • The Crimean War's destruction of the Concert of Europe created the conditions that made Garibaldi's and Cavour's success possible.

  • On comparison questions, Garibaldi represents the bottom-up, popular-nationalist side of Italian unification, in contrast to Bismarck's top-down Realpolitik in Germany.

Frequently asked questions about Garibaldi

What did Garibaldi do to unify Italy?

Garibaldi led popular military campaigns, most famously the Expedition of the Thousand in 1860, when he and roughly a thousand volunteers conquered Sicily and the Kingdom of the Two Sicilies. He then turned his conquests over to Victor Emmanuel II, merging the south with Cavour's Piedmont-led north.

Did Garibaldi unify Italy by himself?

No. The CED is explicit that unification took Garibaldi's military campaigns combined with Cavour's diplomatic strategies. Garibaldi delivered the south, but Cavour's alliances and the post-Crimean War diplomatic landscape made the whole project possible.

How is Garibaldi different from Cavour?

Garibaldi was the popular military hero leading volunteer armies from the bottom up; Cavour was the calculating prime minister of Piedmont-Sardinia working through diplomacy and alliances from the top down. Italian unification needed both, and AP Euro questions often hinge on telling their roles apart.

Why did Garibaldi's expedition worry Cavour?

Garibaldi's 1860 conquest of the south moved faster than Cavour's diplomacy could control, and a march on Rome risked war with France, which protected the pope. Cavour had to act quickly to absorb Garibaldi's gains into the Piedmontese kingdom, which is exactly the diplomatic-consequences angle practice questions test.

How did the Crimean War help Garibaldi succeed?

The Crimean War (1853-1856) exposed Ottoman weakness and shattered the Concert of Europe, the system that had suppressed nationalist movements since 1815. With the great powers no longer cooperating to enforce the old map, Garibaldi and Cavour could unify Italy after centuries of fragmentation.

Garibaldi — AP Euro Definition & Exam Guide | Fiveable