1810: Declaration of independence and formation of the United Provinces of the Rio de la Plata, ruled by Cornelio Saavedra. Carmen de Patagones also joins. Patagonia is claimed. The Chaco region will remain claimed but unanexxed until 1876. https://upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Flag_of_Argentina_%28alternative%29.svg/125px-Flag_of_Argentina_%28alternative%29.svg.png
1811: Feliciano Chiclana rules Argentina
1812: Juan José Paso rules Argentina
1813: Land claim https://upload.wikimedia.org/wikipedia/commons/thumb/8/81/AsambleaXIII.svg/454px-AsambleaXIII.svg.png
1814: Gervasio Antonio de Posadas rules.
1815: Liga Federal proclaimed independence (show aswell and ruled by José Gervasio Artigas https://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Flag_of_Liga_Federal.svg/120px-Flag_of_Liga_Federal.svg.png) and the UPRP briefly turn into the Tucuman Congress. Ignacio Álvarez Thomas rules in Argentina.
1816: Situation https://upload.wikimedia.org/wikipedia/commons/e/e4/Mapa_rio_de_la_plata_1816.jpg Juan Martín de Pueyrredón rules in Argentina. UPRP claim the Falklands
1819: José Rondeau rules in Argentina. Expansion in La Plata https://upload.wikimedia.org/wikipedia/commons/8/82/Mapa_ARGENTINA_frontera.png
1820: Union between two countries in the region restoring the UPRP. Republic of Entre Ríos proclaimed by Francisco Ramírez https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Flag_of_Entre_Rios_%281820-1821%29.svg/30px-Flag_of_Entre_Rios_%281820-1821%29.svg.png. From 1820 to 1826 there was no official ruler in Argentina
1821: Uruguay and some extra areas are annexed into Brazil
1822: Expansion in La Plata
1825: Bolivia declares independence, ending the Platine claim in the region, mostly-modern border is set. The UPRP annexes Uruguay and the Misiones Orientales. The Cisplatine War begins. Brazil ocuppies up to the Florida Department in Uruguay
1826: Bernardino Rivadavia rules. Platineans begin to get close to Vado del Rosario, Brazil. Falklands are annexed
1827: Manuel Dorrego rules. Brazilians take parts of Cerro Largo.
1828: Juan Lavalle rules. The Misiones Orientales are given to Brazil as the Cisplatine War ends. La Plata creates the Colony of Bahía Blanca.
1829: Juan Manuel de Rosas rules
1830: Unitarian League declares independence led by José María Paz https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Bandera_argentina_unitaria_marina_mercante.png/200px-Bandera_argentina_unitaria_marina_mercante.png
1831: Argentine Confederation proclaimed https://upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Flag_of_the_Argentine_Confederation.svg/120px-Flag_of_the_Argentine_Confederation.svg.png
1832: Juan Ramón Balcarce rules
1833: Juan José Viamonte rules. Expansion in La Plata. Rosas campaign https://upload.wikimedia.org/wikipedia/commons/6/6f/Mapa_de_la_Campa%C3%B1a_al_Desierto_por_Rosas_1833.png Falkland Islands lost but still claimed
1834: Manuel Vicente Maza rules
1835: Juan Manuel de Rosas rules again
1836: Expansion in La Plata
1837: War against Peru-Bolivia: https://www.youtube.com/watch?v=aLYSG29dBa8
1838: Expansion in La Plata https://upload.wikimedia.org/wikipedia/commons/8/82/Mapa_ARGENTINA_frontera.png Bolivia retreats from Argentina. France blockades the Rio de la Plata
1839: Peace treaty with Bolivia: Modern border is reached in the East. France abandons La Plata
1845: Paraná War between France-UK and Argentina
1850: Paraná War ends.
1851: Expansion in La Plata. Platine War begins as Brazilians take Entre Rios and Corrientes.
1852: The state of Buenos Aires declares independence led by Manuel Pinto https://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Bandera_Estado_de_Buenos_Aires.jpg/125px-Bandera_Estado_de_Buenos_Aires.jpg. Justo José de Urquiza rules in Argentina. Conflicts between Buenos Aires and Argentina begins. Platine War ends with Brazilian victory.
1853: Pastor Obligado rules in Buenos Aires
1857: Expansion in La Plata
1858: Valentín Alsina rules in Buenos Aires
1859: Felipe Llavallol rules in Buenos Aires
1860: Bartolomé Litre rules in Buenos Aires. Santiago Derqui rules in Argentina
1861: The Argentine Confederation and the state of Buenos Aires merge into the Republic of Argentina. Bartolomé Mitre rules in Argentina. Conflict between Argentina and Buenos Aires ends. https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Flag_of_Argentina.svg/120px-Flag_of_Argentina.svg.png
1865: Paraguayan War begins as Paraguay ocuppies lands https://www.youtube.com/watch?v=VsWDnNjqxaI
1867: Expansion in La Plata
1868: Domingo Faustino Sarmiento rules in Argentina
1870: Paraguayan War ends but Argentina does not gain land.
1871: Brazil gains land from Argentina
1874: Nicolás Avellaneda rules in Argentina
1876: Argentina gains land from Paraguay and officially annexes the tribes in the Chaco.
1878: Argentine expansion https://upload.wikimedia.org/wikipedia/commons/4/4f/Mapa_ARGENTINA_1881.png Conquest of the Desert begins
1879: Argentine expansion https://upload.wikimedia.org/wikipedia/commons/4/4f/Mapa_ARGENTINA_1881.png
1880: Julio Argentino Roca rules in Argentina. Argentina expands the border to the Limay River
1881: Argentine Expansion https://upload.wikimedia.org/wikipedia/commons/4/4f/Mapa_ARGENTINA_1881.png
1885: Most of Patagonia but small pockets in Chubut are conquered by Argentina.
1886: Miguel Júarez Celman rules
1888: Argentina finally conquers Patagonia. Conquest of the Desert ends.
1890: Carlos Pellegrini rules
1892: Luis Sáenz Peña rules
1895: José Evaristo Uriburu rules
1898: Julio Argentino Roca rules again
1904: Manuel Quintana rules. Argentina claims it's portion of the Antartcica and those small South Atlantic Islands.
1906: José Figueroa Alcorta rules
1910: Roque Sáenz Peña rules
1914: Victorino de la Plaza rules
1916: Hipólito Yrigoyen rules
1922: Marcelo Torcuato de Alvear
1928: Hipólito Yrigoyen rules again
1930: Coup d'etat: José Félix Uriburu takes the power
1932: Agustín Pedro Justo rules
1938: Roberto María Ortíz rules
1942: Ramón Castillo rules
1943: Coup d'etat: General Rawson deposes the government and gives power to Pedro Pablo Ramírez
1944: Coup d'etat: Edelmiro Julián Farrell takes the power
1946: Juan Domingo Perón rules
1955: Coup d'etat: Eduardo Lonari deposes Perón and gives power to Pedro Eugenio Aramburu
1958: Arturo Frondizi rules
1962: José María Guido rules
1963: Arturo Humberto Illia rules
1966: Coup d'etat: Juan Carlos Onganía takes the power
1970: Coup d'etat Roberto Levingston takes the power
1971: Coup d'etat: Alejandro Lanusse takes the power
1973: Juan Domingo Perón rules again
1974: Isabela Martínez de Perón rules
1976: Coup d'etat: Jorge Rafael Videla takes the power
1981: Coup d'etat: Leopoldo Galtieri takes the power
1982: Coup d'etat: Reynaldo Bignone takes the power. Falklands War happens.
1983: Raúl Alfonsín rules
1989: Carlos Menem rules
1999: Fernando de la Rúa rules
2001: Eduardo Camaño rules
2002: Eduardo Duhale rules
2003: Néstor Kirchner rules
2007: Cristina Fernández de Kirchner rules
2015: Mauricio Macri rules
