abolition of death penalty in 1993
adoption of common law system in 1841
handover from British to Chinese sovereignty in 1997
development of administrative law
establishment of Court of Final Appeal in 1997
implementation of Basic Law in 1997
introduction of Bill of Rights Ordinance in 1991
introduction of National Security Law in 2020
introduction of anti-corruption laws
introduction of human rights protections
introduction of jury trials
introduction of legal aid system
judicial independence under Basic Law
introduction of bilingual laws (English and Chinese)
establishment of Independent Commission Against Corruption (ICAC) in 1974