Template:Commonwealth of Nations key documents Key documents of the Commonwealth of Nations Balfour Declaration (1926) Royal and Parliamentary Titles Act 1927 (1927) Statute of Westminster (1931) London Declaration (1949) Singapore Declaration (1971) Lusaka Declaration (1979) Langkawi Declaration (1989) Harare Declaration (1991) Millbrook Action Programme (1995) Edinburgh Declaration (1997) Latimer House Principles (2003) Perth Agreement (2011) Charter of the Commonwealth (2013)