The issue of ownership of the Kuril Islands has been discussed between Russia and Japan for more than 70 years, and during this time Japan, in order to «return its northern territories» took various measures, constantly inventing something new, and especially beloved by the Japanese measure is so-called «cartographic aggression». It should be noted that according to a number of international acts signed by the Japanese themselves, sovereignty over the islands was assigned to Russia.
This time, the Japanese leadership approved the release of official maps of the Rugby World Cup in Tokyo, o