This is the tenth article in a large series of articles on Russian heroism. If you look at the military history of Ross in the middle of the 13th century, you can see how well the events are placed on the timeline. Wars and invasions are counted not by decades, but by years and even months. Almost at the same time as the second invasion of Batu and the destruction of the principalities of Chernigov and Seversky, the Swedish knights attacked the lands of Novgorod. In the same year 1240, German crusaders conquered Izborsk, Pskov and Kupuria, and in winter the Mongols destroyed Kiev. Then every two or three years there were battles with the Germans, Swedes, Lithuanians, punitive expeditions of the generation or princely civil conflicts. During this period, Rus found himself the object of three large-scale invasions at once: the Mongol-Tatar, the Lithuanian-Polish, and the Western Crusade. It seems impossible to confront them all at once. But it was then that Prince Alexander Nevsky entered the arena - a unique hero who managed to neutralize these threats. Read more: Time.