毛利语
Starting in 1903, a government policy to discourage, and even punish, the use of the Māori language in playgrounds was enacted. In the early 1930s the director of Education blocked an initiative by the New Zealand Federation of Teachers to have the Māori language added to the curriculum. Though not the only factor, the ban on the Māori language in education contributed to the widespread loss of Māori-language ability. By 1960 the number of Māori who could speak the language had fallen to 25% from 95% in 1900.