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Guiseppe Mazzini and Guiseppe Garabaldi worked to unite Italy.

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First Italian Unification War | 3 Minute History

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Military and political event that allowed Chile to leave Spanish Monarchy.

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Padre Miguel Hidalgo began the war for Mexican Independence with the "Grito de Dolores."

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Struggle for Mexican Independence - War, Causes & Effects

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Mexico was first populated more than 13,000 years ago before the Spanish conquered and colonized the country in the 16th century. In 1810, Miguel Hidalgo y Costilla, a Catholic priest, launched the Mexican War of Independence when he issued his Grito de Dolores, or "Cry of Delores."

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The first of the Revolutions of 1848 erupted in Palermo on January 9. Starting as a popular insurrection, it soon took on overtones of Sicilian separatism and spread throughout the island. Piecemeal reforms proved inadequate to satisfy the revolutionaries, both noble and bourgeois, who were determined to have a new and more liberal constitution. Ferdinand II of the Kingdom of the Two Sicilies was the first to grant one (January 29, 1848). Other rulers were compelled to follow his example: Leopold II on February 17, Charles Albert on March 4, and Pope Pius IX on March 14. The Austrian government, on the other hand, did not yield to popular pressure. Instead, it reinforced its garrisons in Lombardy-Venetia, arrested opposition leaders in Venice and Milan, and suppressed student demonstrations in the university cities of Padua and Pavia. By March 22-23, when revolution had also reached Budapest and Vienna, Venetian and Milanese insurgents moved to depose their Austrian overlords. Within a few days the Austrian army lost nearly all of Lombardy-Venetia and retreated into the Quadrilateral (the region between Mantua, Peschiera, Verona, and Legnago).

On March 23 Charles Albert of Sardinia-Piedmont declared war on Austria. It was a risky decision, but prospects for a national war seemed promising, and he wanted to seize the initiative to preclude republican and democratic domination of the insurgency. After annexing Parma and Modena, whose rulers had been driven out by insurgents, the Piedmontese won a few more victories before suffering reverses. Pius IX, Leopold II, and Ferdinand II, all of whom had initially sent troops to northern Italy to support the Piedmontese army, hastily withdrew their forces. The pope's address to the cardinals on April 29 revealed his reluctance to back national movements against Austria and did much to discredit him among patriots. Lombardy and Venetia, though not without internal opposition, accepted merger with Piedmont. Nevertheless, the Piedmontese army was unable to withstand the Austrian counteroffensive. After a series of defeats, Charles Albert's forces withdrew from Milan and on August 6 left the city and its insurgents to the mercy of the returning Austrians. Accusations of royal treachery, formulated by Lombard democrats at that moment, long survived in Italian political debates. By the terms of the Salasco armistice (August 9, 1848), the Piedmontese army abandoned Lombardy. In Piedmont the new constitution, the Statuto Albertino (Albertine Statute), remained in force, and democratic ideas survived.

Throughout Europe the forces of reaction were triumphant. The Revolutions of 1848 were suppressed in Vienna, Prague, Budapest, and Paris. In Naples the king regained power in a coup on May 15 and went on to reconquer Sicily. Meanwhile, in Rome the papacy reintroduced a range of obscurantist policies. Venice, however, under the dictatorship of Daniele Manin, refused to accept the Salasco armistice and resisted the Austrian siege. Leopold II of Tuscany took refuge in the Bourbon fortress of Gaeta in February 1849, when the democrats Giuseppe Montanelli and Francesco Domenico Guerrazzi were on the verge of taking control of the government and proclaiming an Italian constituent assembly. In Rome the minister Pellegrino Rossi, a former member of the Carbonari who had promoted conciliatory policies after returning from exile in France, was assassinated on November 15, 1848. This event triggered a democratic insurgency and caused Pius IX to flee to the safety of Gaeta. A constituent assembly elected by universal male suffrage proclaimed the Roman Republic on February 5, 1849.

The Italian revolution seemed to have been reborn. However, Charles Albert, pressed by Piedmontese democrats to resume his war with Austria (March 20, 1849), saw his army routed at Novara three days later. On the same day, March 23, he abdicated and went into exile. His successor, Victor Emmanuel II, was granted an honourable armistice because the Austrians did not want a weakened Savoy monarchy that could be exploited to the advantage of its democratic opponents. The defeat of Piedmont made the position of the democratic and republican opposition untenable in other parts of Italy as well. In Tuscany moderates recalled the grand duke, whose Austrian protectors crushed an insurrection in radical Livorno (May 1849). In Lombardy the Austrian reconquest of Brescia in March, after 10 days of fighting, left Venice isolated, though the city resisted enemy forces until August. The Roman Republic, led by Mazzini and Garibaldi, held out until July 3 against a French army sent by Louis-Napoléon Bonaparte, the new president of the French Republic (later the emperor Napoleon III), whose restoration of the papacy repaid his Roman Catholic supporters. The returning sovereigns rapidly set about abrogating constitutions, disbanding parliaments, and, especially in the south, filling the prisons.

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Italy - Revolutions, 1848, Unification: The first of the Revolutions of 1848 erupted in Palermo on January 9. Starting as a popular insurrection, it soon took on overtones of Sicilian separatism and spread throughout the island. Piecemeal reforms proved inadequate to satisfy the revolutionaries, both noble and bourgeois, who were determined to have a new and more liberal constitution.

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Despite the colony's isolation, its inhabitants at the start of the 19th century were affected by developments elsewhere. The most significant of those developments were the winning of independence by the 13 Anglo-American colonies and by Haiti, the French Revolution, and the inability of Spain to defend its system in America, as indicated by the British invasion of the La Plata region and increased contraband trade on the part of British and U.S. citizens. Finally and decisively came the intervention of Napoleon in Spain, an act that in 1808 threw Chile and the other colonies on their own resources and led them to take the first steps toward greater autonomy and self-government. In Chile the initial move toward independence was made on September 18, 1810, when a cabildo abierto (open town meeting) in Santiago, attended by representatives of privileged groups whose vaguely defined objectives included a change in administration, accepted the resignation of the president-governor and in his place elected a junta composed of local leaders.

From 1810 to 1813 the course of the patriots was relatively peaceful because they were able to maintain themselves without formal ties to the Viceroyalty of Lima. Trade restrictions were relaxed, steps were taken toward the eventual abolition of slavery, a newspaper was established to publicize the beliefs of the patriots, and education was promoted, including the founding of the National Institute. However, the embers of civil strife were also fanned. The Creoles were divided over how far the colony should go toward self-government. José Miguel Carrera and his brothers, whose desire for complete independence was equaled if not surpassed by their personal ambition, inflamed the issues. Meanwhile, Spain had taken steps to reassert its control over the colony. At the Battle of Rancagua, on October 1 and 2, 1814, it reestablished its military supremacy and ended what has been called la patria vieja ("the old fatherland").

Following the defeat at Rancagua, patriot leaders, among them the Carrera brothers and Bernardo O'Higgins, future director-dictator of Chile, migrated to Argentina. There O'Higgins won the support of José de San Martín, who, with the support of the revolutionary government in Buenos Aires, was raising an army to free the southern portion of the continent by first liberating Chile and then attacking Peru from the sea. The Carreras continued their spirited agitation for independence in Buenos Aires and the United States.

Meanwhile, many of those who remained in Chile suffered from the harsh rule of Spain's inept representatives and became convinced that absolute independence was necessary. In January 1817 San Martín's well-drilled army, with O'Higgins as one of its commanders, began its march across the Andes, and on February 12, 1817, the patriot forces defeated the royalists on the hill of Chacabuco, which opened the way to Santiago. O'Higgins was proclaimed supreme director of Chile, although the act of declaring Chile's independence was not taken until a year later (February 12, 1818), on the first anniversary of Chacabuco, and the decisive defeat of Spain on the Chilean mainland (Spain held the island of Chiloé until 1826) did not come until the Battle of Maipú, on April 5, 1818. Before emancipation was assured, O'Higgins began the creation of the Chilean navy, which by late 1818 was in the process of clearing the Chilean coast of Spanish vessels.

Chile was free, but its inherent weaknesses were everywhere manifest. The Creoles remained bitterly divided between O'Higgins and the Carreras. Two of the Carrera brothers had been executed in Mendoza, Argentina, in 1818, and José Miguel Carrera suffered the same fate in the same city in 1821. The elite groups were dedicated to the retention of those institutions on which such things as law, property, family, and religion were founded. The masses, who had been little more than spectators in the conflicts between 1810 and 1818, were excluded from government.
John J. Johnson Paul W. Drake

Chile from 1818 to 1920

The Chilean oligarchy had little sympathy with O'Higgins, who favoured reducing their privileges. They accepted him, however, because he was supported by the army and because of dangers posed by Spaniards still in Peru and in parts of Chile (Valdivia and the island of Chiloé) and by internal guerrillas loyal to the Spanish monarchy. Opposition to O'Higgins began to make itself heard once the Chilean-Argentine army expelled the Spaniards from Peru; it increased after 1822, when the Chileans succeeded in driving the remaining Spaniards from Chile. O'Higgins's attempt, by means of a new constitution, to concede a larger political role to the oligarchy did not increase his support, and general unrest and poor harvests forced him to abdicate in 1823.

The years 1823-30 were troubled by an internal political split between the oligarchy and the army; 30 successive governments held office, and a variety of political experiments were tried. Rivalries developed between federalists and centralizers and between authoritarians and liberals. To the political chaos were added financial and economic disorder and an increase in lawlessness that tended to strengthen the authoritarian members of the oligarchy. Rival political factions were eliminated in 1829 when authoritarians, with the help of a part of the army, were able to install a junta (collegial government) that nominated José Tomás de Ovalle as provisory president. Actual power, however, was held by Diego Portales, who, as either a cabinet member or a private citizen, in fact ruled as a virtual dictator.

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Chile - Independence, Revolution, War: Despite the colony's isolation, its inhabitants at the start of the 19th century were affected by developments elsewhere.

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Mexican Revolution | Causes, Summary, & Facts

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Mexican Revolution (1910–20), a long bloody struggle among several factions in constantly shifting alliances which resulted ultimately in the end of the 30-year dictatorship in Mexico and the establishment of a constitutional republic. It began with dissatisfaction with the elitist policies of Porfirio Diaz.