Author's Note: This is my original work, translated into English. I am currently learning the language, so there may be some mistakes in grammar and punctuation. Please feel free to provide feedback and suggestions. Description: In this captivating historical fiction, we delve into an alternative timeline where the Jagiellonian dynasty, which united Poland and Lithuania in the 15th century, continues to hold sway over the Polish-Lithuanian Commonwealth. The story unfolds following the death of Sigismund August, the last ruler of the Jagiellonians, leaving the dynasty without a successor. But what if there was a descendant? Exploring the intricacies of European politics and the fate of the region, this narrative examines the consequences of the Jagiellonian dynasty's survival. Through significant historical events and the decisions of subsequent monarchs, we witness the enduring influence of the dynasty on the Commonwealth and its relations with neighboring powers. As the author, I must confess that this is my first venture into alternative history writing. I acknowledge that there may be spelling and punctuation errors in the text. Your comments and feedback are greatly appreciated as I continue to hone my skills in crafting captivating narratives.