The book "Portuguese Revolution: January 31 (Porto 1891)" by Francisco Jorge de Abreu is an interesting and detailed historical investigation of the events of the distant year 1891 in Portugal. In his book, the author talks about the revolutionary events of January 31 in the city of Porto, which unfolded against the background of the worsening political situation in the country. He tries to find the deep causes and consequences of these events, analyzing the role of different groups and individuals in this process. The reader will have the opportunity to immerse himself in the complex atmosphere of the period and hear the voices of those who tried to change the course of history. The book "Portuguese Revolution: January 31 (Porto 1891)" will help to better understand not only the events themselves, but also the broader context of the political life of Portugal at that time.