[1] From a very young age, Hasdeu wrote poems and prose in both Romanian and French, taught herself foreign languages and studied piano and opera singing.

Fluent in French, English, and German, she graduated from primary school at age eight, and at eleven she completed piano and classical singing at St. Sava Gymnasium and the Bucharest Conservatory of Music.

In 1886 Hasdeu enrolled at the Faculty of Letters and Philosophy at Sorbonne University and attended courses at the École des hautes études (School of Higher Studies) in Paris.

She started writing a doctoral thesis with the theme centered on Romanian folk philosophy: logic, psychology, metaphysics, ethics, and theodicy.

In her memory, he also built the Iulia Hasdeu Castle in Câmpina with the "spiritual guidance of his daughter," with whom he supposedly communicated until the end of his life.