''Les Usages du Siècle : lettres, conseils pratiques, le Savoir-vivre'' is a guide on etiquette and social customs written in the late 19th century. This work offers insights into the proper conduct and decorum expected in various social situations, particularly in the context of Parisian society. The book serves as a practical manual for navigating the complexities of social interactions and expectations during that era. The opening of the book introduces the subject of savoir-vivre, emphasizing the necessity of understanding social customs that have evolved over time. It begins by acknowledging the importance of tact in various life events, particularly in proposing marriage, where the author outlines the social protocols and expectations that accompany such a significant moment. The tone is both informative and light-hearted, as it reflects on the changing nature of manners and etiquette, emphasizing that while foundational principles of politeness remain constant, the specifics can shift with societal trends.
