Arkhangelsk Dutch that sailed to the White Sea area. In 1584 Ivan ordered the founding of New Kholmogory (which would later be renamed after the nearby Archangel Michael Monastery). At the time access to the Baltic Sea was still mostly controlled by Sweden, so while Arkhangelsk was icebound in winter, it remained Moscow's almost sole link to the sea-trade. Local inhabitants, called Pomors, were the first to explore trade routes to Northern Siberia as far as the trans-Urals city of Mangazeya and beyond. In December 1613, during the Time of Troubles, Arkhangelsk was besieged by Polish-Lithuanian marauders commanded by Stanislaw Jasinski
Onega River of the Onega is notable for the rapids, spread everywhere between Kargopol and Gorodok, and also located downstream from Porog (the name "Porog" means "a rapid"). The Onega basin area has an important historical and cultural significance. Kargopol is one of the oldest cities in Russian North (the traditional foundation date in the 12th century, first mentioned in the 14th century), and it still contains a big number of architectural and historical monuments. Oshevensk on the left bank of the Onega is the location of the former Alexandro-Oshevensky Monastery. Another historically important monastery in the Onega basin is the Kozheozersky