The first Portuguese Republic stood between 1910 and 1926. A characteristic of the Republican period was the strong civil participation, particularly by the urban population. Freedom of press and of association became constitutional rights and incentivized a powerful and very diversified associative movement in which trade unions and friendly societies stood out in the political spectrum as they promoted popular education and culture. The time-span studied is characterized by Portugals colonial expansion in Africa, an important factor in Portugals involvement in the Great War. As changes in education, in the concept and structure of family and in the status of women linked with the new politics, so emerged a different relationship between State and Church, new avenues for the development of economic activity, an increased focus on better labour conditions, and emigration to Brazil. Miriam Halpern Pereira provides a clear overview of the Republics many achievements and the internal political and wide