For some years before 1960, Māori, especially Ngapuhi, had campaigned for Waitangi Day to be a public holiday in recognition of the Treaty of Waitangi.
1960年前的一些年，毛利人，尤其是Ngapuhi部落，曾推动让怀唐伊日成为公众假期，以承认怀唐伊条约。