Piera was the first female Barcelona city councillor, between 1937 and 1939. She was a teacher, politician, trade unionist and feminist activist. During the Spanish Civil War, as a city councillor, she assisted those refugees most in need, especially children. She was also the general secretary of the Women's Union of Catalonia. At the end of the war, she went into exile in France, where she worked in the International Office for Children, in Paris, but at the start of the Second World War, she was detained and imprisoned. On her release, she boarded the ocean liner Cuba with her sister, sailing to the Dominican Republic. She finally moved to Chile, where she settled with her family, never moving on again. In Chile, she renewed her teaching career, continued to defend women's rights and helped to organise the first Women's Congress in Santiago de Chile.
Her metro station is Baixador de Vallvidrera. I don’t know the connection.
She was the first female councillor in the Barcelona City Council between 1937 and 1939. A pedagogue, politician, unionist and feminist activist, she served as the secretary general of the Women's Union of Catalonia.