Catherine the Great and Frederick the Great. Correspondence 1744-1781. Frankly and confidentially

Correspondence of Frederick II and Catherine II is the intriguing plot of relations between the two great rulers of the 18th century, leading on the political field of Europe complex games.
In the epistolary of Frederick and Catherine, covering almost 40 years, there is everything ... and a dizzying change of roles, when the young German princess, sent to Russia by an experienced Frederick, turns into an equal monarch, and then into a stronger player in geopolitical parties in European . And the secret love of the Grand Duchess, who led Stanislav of Penatovsky to the Polish crown, and a few years later to her loss. And the Russo-Turkish howl for 1768-1774, when Catherine risks and fights, and Frederick in the backstage of military operations is ready to help with means and tips (and not only to Catherine) And vaccination against smallpox in Russia: Catherine - for contesting and with his own example leads subjects to conscious action, Frederick - against vaccination, while finding a precedent so as not to argue with the Russian empress. And compliments to the flattery. And hints to threats. And the rupture of the monarch "friendship"