Short answers, pulled from the story.
According to the 2021 Census, the Far Eastern Federal District had a population of 7.98 million people. That figure translates to slightly more than one person per square kilometer, making the Russian Far East one of the most sparsely populated areas in the world. The population has declined by 14% in the fifteen years following the dissolution of the Soviet Union.
Russians reached the Pacific coast in 1647 with the establishment of Okhotsk. Russia consolidated control over the Russian Far East in the 19th century after annexing part of Chinese Manchuria between 1858 and 1860.
Between 1937 and 1939, Stalin deported over 200,000 Koreans from the Soviet Far East to Uzbekistan and Kazakhstan, fearing they might spy for Japan. Many died during transport in cattle trains from starvation, illness, or freezing conditions. The survivors, known as Koryo-saram, were barred from leaving Central Asia for the next fifteen years.
The war ended in September 1905 with a Japanese victory. Under the Treaty of Portsmouth, signed on the 5th of September 1905, Russia ceded the southern half of Sakhalin island to Japan and conceded the Liaodong Peninsula lease. Both nations agreed to evacuate Manchuria and return it to Chinese sovereignty.
Vladivostok hosted the Strategic Arms Limitation Talks in 1974. The Soviet Union and the United States agreed to quantitative limits on various nuclear weapons systems and banned the construction of new land-based ICBM launchers.
Seventy-three percent of cars in the Russian Far East have right-hand drive, the result of the region's long history of importing used vehicles from Japan. Unusually, these right-hand-drive cars are still driven on the right-hand side of the road, as in the rest of Russia.