Vladimir Atlasov is known for his exploration and conquest of the Kamchatka Peninsula in the late 1690s.
Vladimir Atlasov and the Exploration of Kamchatka
In this episode, Cossack Vladimir Atlasov explores the Kamchatka Peninsula in the late 1690s – claiming it for the Russian Empire.
The maps below should help understand the journey of Vladimir Atlasov.
Kamchatka circa 1700, including approximate map of the route taken by Vladimir Atlasov
There are not a lot of sources on Vladimir Atlasov. Below are the items that I was able to draw from for this podcast.
Russian Push Toward Japan by George Alexander Lensen.
Eastward to Empire: Exploration and Conquest on the Russian Open Frontier to 1750 by George V. Lantzeff, Richard A. Pierce
An English-language Russian military site had some details about Atlasov, including these two separate (but similar) articles:
Wikipedia page on Vladimir Atlasov. It is also the source of the Atlasov image on this page.