Juan Manuel De Rosas (1 ene 1829 año – 1 ene 1852 año)
Descripción:
 One of the most notable caudillos ruled Argentina divided between the cattle-herding gaucho (cowboy) society of the pampas (the interior grasslands) and the urban elite of Buenos Aires. Rosas himself emerged from the world of cattle ranching and he used his skills to subdue other caudillos and establish control in Buenos Aires 
Añadido al timeline:
fecha:
1 ene 1829 año
1 ene 1852 año
 ~ 23 years