This month’s huge parade in Beijing for the 80th anniversary of the end of World War II in Asia prompted much debate — both about the array of new missiles, drones and other military technology on display, and about the presence of not only Vladimir Putin, but also the North Korean Leader Kim Jong Un. But while Beijing is happy to demonstrate its newfound military confidence, the parade is also a reminder of the increased attention China has been paying to its own role in World War II, with a...