 After the French Liberation, Dunkirk's mayor engages her to reorganize the city's archives.Women acquired the right to vote in 1944, and voted for the first time in the municipal elections of April 1945 (Women's right to vote).Olympe Démarez-Valentin, widow of the former mayor, becomes the first woman to be elected to the municipal council of Dunkirk at the end of these first elections open to women, which means being able to vote and to be able to get elected.