The Argentine War of Independence was fought from 1810 to 1818 by Argentine patriotic forces under Manuel Belgrano, Juan José Castelli and José de San Martín against royalist forces loyal to the Spanish crown. On July 9, 1816, an assembly met in San Miguel de Tucumán, declared full independence with provisions for a national constitution.
1806
August 20: The first British invasion of the Río de la Plata is defeated by an army led by Santiago de Liniers. In the absence of the viceroy Rafael de Sobremonte, Liniers is appointed captain general.
1807
February 10: Rafael de Sobremonte, viceroy of the Viceroyalty of the Río de la Plata, is deposed and replaced by Santiago de Liniers. July 7: The second British invasion of the Río de la Plata is defeated.
1808
Napoleon invades Spain and starts the Peninsular War. Mutiny of Aranjuez. A popular uprising forces the King Charles IV to abdicate, being replaced by his son, Ferdinand VII Ferdinand VII is removed as king of Spain and replaced by Joseph Bonaparte, appointed by Napoleon. Popular resistance creates government Juntas. The Supreme Central and Governing Junta of the Kingdom is created. Disputes at the Río de la Plata between Liniers and Francisco Javier de Elío. Elío creates a government Junta in Montevideo.
1809
January 1: Mutiny of Álzaga, defeated by local militias. Liniers is replaced by Baltasar Hidalgo de Cisneros, viceroy designated by the Junta of Seville. Mariano Moreno writes The Representation of the Hacendados. Cisneros briefly opens the Port of Buenos Aires to foreign trade.
1810
The government of Spain is defeated by French forces and the Supreme Central and Governing Junta was replaced by the Regency The Cortes of Cádiz convenes in Spain An open cabildo in Buenos Aires deposes the viceroy and creates a government junta. Córdoba rejects the Junta of Buenos Aires. Liniers leads a counter-revolution, which is defeated. Liniers is executed as result. Buenos Aires organizes military campaigns against Paraguay and the Upper Peru.
1811
Francisco Javier de Elío is appointed viceroy by the Juntas of Cádiz, and Montevideo the capital of the Viceroyalty of the Río de la Plata. Elío declares war against the Junta of Buenos Aires, but gets sieged by the surrounding cities. Mariano Moreno resigns from the Primera Junta, and dies at sea while traveling to Europe. Nevertheless, disputes between Saavedrist and Morenist groups in Buenos Aires continue. Paraguay becomes independent The Army of the North is defeated in the Battle of Guaqui. The revolutionaries lost the Upper Peru and their mines. The Junta Grande of Buenos Aires is replaced by the First Triumvirate
1812
Manuel Belgrano creates the Flag of Argentina
José de San Martín and Carlos María de Alvear arrive in Buenos Aires from Europe
Martín de Álzaga is executed after a failed mutiny against the First Triumvirate
Belgrano defeats the royalists at the Battle of Tucumán
The First Triumvirate is deposed by San Martín and Alvear, and replaced by the Second Triumvirate José Gervasio Artigas, José Rondeau and Soler defeat Gaspar de Vigodet
1813
February 3: José de San Martín defeats a royalist raid from Montevideo during the Battle of San Lorenzo Joseph Bonaparte flees from Spain and Ferdinand VII recovers the Spanish crown The XIII Year Assembly starts in Buenos Aires. It approves the Canción patriótica by Vicente López y Planes as the Argentine National Anthem Patriots are defeated at the Battle of Vilcapugio and the Battle of Ayohuma
1814
January (exact date disputed): Yatasto relay in Salta. Manuel Belgrano hands the command of the Army of the North to José de San Martín. Ferdinand VII returns to Spain. Absolutism is restored; the 1812 Constitution is repealed and the Cortes dissolved. José Gervasio Artigas gives up the siege on Montevideo The Second Triumvirate is replaced by the Supreme Director, the first one being Gervasio Antonio de Posadas Posadas makes Artigas an outlaw because of the creation of the Liga Federal. Martín Miguel de Güemes starts the "Guerra Gaucha" Montevideo is defeated Artigas recovers his titles and the Banda Oriental becomes autonomous San Martin is appointed governor of the Cuyo Province Posadas resigns
1815
Carlos María de Alvear is appointed Supreme Director of the United Provinces of the Río de la Plata. He is removed shortly after, and replaced by José Rondeau. The Assembly of Year XIII ends its work. Artigas creates the Liga de los Pueblos Libres Argentineans defeated in the Battle of Viluma