Topic
D
History (General) and history of Europe
2
Q1-390
1
Russian Federation
1
Science (General)
1
arctic research
1
geopolitics
1
geostrategy
1
imperial russian geographical society
1
northern sea route
1
polar expeditions
1
superpowers
1
vectors of geostrategy
1
vice admiral makarov
1
“yermak”icebreaker
1