Japan during World War I July 1916, Japan and Russia signed a treaty whereby each pledged not to make a separate peace with Germany, and agreed to consultation and common action should the territory or interests of each in China be threatened by an outside third party. Although Russia had a claim to Chinese territory by the Kyakhta and other treaties, Japan discouraged Russia from annexing Heilongjiang and began to slowly push the other powers out, such as the Germans in the Twenty-One Demands (1915). The delineating line between Russian (north) and Japanese (south) spheres of influences in China was the Chinese Eastern Railway. On
War crimes in occupied Poland during World War II at Chełmno according to postwar verdict by West Germany, although up to 340,000 victims were estimated by the Polish Main Commission for Investigation of German Crimes in Poland (GKBZNwP), a predecessor of the Institute of National Remembrance. Following the Wannsee Conference of 1942, as part of highly secretive Operation Reinhard in occupied Poland, the German government built three regular killing centres with stationary gas chambers. It was the most deadly phase of the Final Solution, based on implementing semi-industrial means of killing and incinerating people. The new facilities included Treblinka extermination camp (set up in July 1942), Bełżec (March 1942),