lake was discovered in 1643? russian cossack kurbat ivanov ladoga onega baikal kuril interesting, according to very interesting. ces. but here history and geography are intertwined, together especially for you roman well, the cossacks, in general, the guys were active and got to a lot of places. by the way, there were also the ural cossacks. where are you from? well here i have about the fact that ladoga onega is somehow here. mm, because that year, even from st. petersburg , there was no war there with the swedes. that is, this is how i am. there was absolutely nothing to be done there, so to speak , they couldn’t do it. it seems to me that one of our people will be there. kazakov here is baikal and kurilskaya too and i’ll take a 50/50 hint. the computer will remove two incorrect options baikal and smoke kuril lake, where do you think there is a guess, well, somewhere in the far east, maybe it’s not far from the kuril islands, well, how - here, and there are islands. okay, and you’re all about baikal. okay, i accept the option with baikal. well, of course, with lake ladoga and lake onega, despite your reasoning