The ultra-nationalists' main bone of contention is that the RapeofNanking, during which the Chinese claim some 300, 000 men, women and children were slaughtered, was a figment of foreign propaganda.
People know the horrific history of the Opium Wars (a war that was fought to allow the British to continue drug trafficking), the subsequent colonization of Hong Kong, and the atrocities of the RapeofNanking.