The mouth of the Amur River is on the Strait of Tartary in Russia.
Bering straight
about 450 miles.
Bering Strait
True
Between the Aleutian Islands and the Russian Mainland.
Russia and Britain divided Persia into northern and southern spheres of influence in 1907 through the Anglo-Russian Convention. This agreement aimed to maintain a balance of power in the region while securing their respective interests in Persia.
Southern Asia is generally more mountainous than northern Asia, with the Himalayas running along the entire northern border of India and extending through Nepal, Bhutan, and parts of Pakistan and China. Northern Asia, on the other hand, consists mainly of vast plains and plateaus, with some mountainous regions in areas like Siberia and the Russian Far East.
Sakhalin Island is located about 9.3 kilometers (approximately 5.8 miles) off the northeastern coast of the Russian mainland, separated by the Nevelskoy Strait. The island stretches approximately 948 kilometers (589 miles) in length and is the largest island in Russia. Its proximity to the mainland makes it accessible by ferry and other means of transportation.
Persia, divided into three spheres of influence, Northern part for Russia, Southern part for Britain and a neutral buffer area in between.
The air distance from Tokyo, Japan, to Nakhodka on the Russian mainland is 615 miles. That equals 989 kilometers or 534 nautical miles.
Vitus Jonassen Bering was a Danish navigator in the service of the Russian Navy. He commanded the first Kamchatka expedition. The goal of this expedition was to determine how far the Siberian mainland went, since much of the world was uncharted and it was unknown whether Asia and North America were connected or whether they were separate land masses.