Three women from different social backgrounds and eras - Guillemette de Vergy, Catherine de Watteville, Julie L'Eplattenier - all linked by Valangin, share their lives marked by key historical events, reflecting the changes through the centuries in this region. Guillemette defied the Reformation, Catherine endured the transition of sovereignty to the King of Prussia, and Julie navigated the beginnings of republicanism. Their writings reveal their reactions to events and their daily concerns, offering a captivating insight into life in Valangin through the ages.