Hong Kong has never been a colony, as claimed by all the four Citizenship and Social Development (CSD) textbooks submitted for approval, is a blatant distortion of history, on which I have been interviewed by five media up to now. Since there are no alternative voices left under the National Security Law, we no longer have any professional bodies like the defunct Hong Kong Professional Teachers’ Union to question the government on this matter. Hence the pro-establishment people who now feel safe to elaborate this false history, such as legislator Priscilla Leung Mei-fun, who said in a Legislative Council meeting that “China never lost the sovereignty of Hong Kong.” She probably does not know about Deng Xiaoping’s 1982 policy on Hong Kong, that is, “return of sovereignty, long-lasting prosperity, [Hong Kong’s] system remaining unchanged, and Hong Kong people ruling Hong Kong.”…