Argentine historian Marcela Ternavasio, author of a new political biography of Juan Manuel de Rosas, cautions against the manipulation of historical narratives by current political leadership. She argues the present government, like its predecessors, is creating reductive interpretations of the past to suit its own agenda. Ternavasio’s analysis focuses on the dangers of political polarization and the recurring temptation for leaders to concentrate power. Her work examines Rosas, a controversial 19th-century Argentine ruler, through a fresh political lens. The historian highlights the risks inherent in selectively utilizing history for contemporary political purposes. She suggests this practice hinders a comprehensive understanding of Argentina’s complex past and fuels division. Ultimately, Ternavasio’s research underscores the importance of critical historical analysis and awareness of political motivations when interpreting the past.