39 History of the Russian state in the image of its sovereign rulers, Vasily Vereshchagin, 1896

Grand duke simeon ioannovich, titled proud. 1340-1353. Continuing the work of his worthy father, simeon was distinguished by an unshakably firm character. Appeasing the khan with honor, he strictly commanded the appanage princes and was the first to be called "grand duke of all rus'". The beginning of the trinity lavra dates back to his reign. Date: 1896.