The Chinese have never forgotten it. President Xi is right to draw an ethical connection between respect for the historical truth, justice and deterring future aggression resulting in inhuman massacres.
As we all know, the worst evils are still with us even today. World War II may be history but the Nazis and Japanese militarists' spirit is still alive and well in some parts of the world. Our resolve to resist it is strengthened by our remembrance of the past.
And yet these same people were quick to adopt the most murderous ideology in all of human history.
300 Thousand deaths by Japanese - Bad! Unforgettable!
40 Million deaths by Mao - Huh?
Communism - progressives love it.