The article discusses historical precedents of the breakdown of the one country, two systems policy in Hong Kong, China following the implementation of the National Security Law by the Chinese government in 2020. Topics explored include the changes in the legal system of Hong Kong as a Special Administrative Region (SAR), the expulsion of a significant percentage of the Ugandan Asian community in Great Britain in 1972, and the Revocation of the 1598 Edict of Nantes in October 1685.