Juan Manuel de Rosas

Juan Manuel de Rosas was the Federalist caudillo who ruled Buenos Aires province (1829–1852) and dominated the Argentine Confederation, championing provincial autonomy and the cattle-ranching interior against the centralising Unitarians — the federalist pole of the Pampa’s long internal conflict.

• Lived: 1793 CE – 1877 CE
• Nationality: argentine
• Roles: caudillo, governor