Benjamim Constant was a Brazilian military officer and politician, born on April 13, 1836, in the city of Rio de Janeiro. He played a significant role in the Republican movement in Brazil, particularly during the transition from the Empire to the Republic in the early 20th century. Constant was a key figure in the Proclamation of the Republic in 1889, which marked the end of the monarchy in Brazil. In addition to his military career, Constant was also an influential educator and writer. He contributed to the development of Brazilian education and was involved in various political reforms. His legacy includes his commitment to republican ideals and his efforts to modernize the country's educational system.