1873; Prince Edward Island
the French schools were banned 
“Official Language Act” would have made English the only language of record, the publication of newspapers and Acts of the Legislature and in the courts.
(The provincial government practiced an assimilation policy (Again ?) that had the effect of leading the Acadians to the virtual disappearance of the acquis, 
in particular school subjects) 
(Several school laws, restrictive French, have existed: in 1830, 1834, 1837, 1841, 1847, 1861, 1880.)

1877; the Northwest Territories (annexed to Canada in 1869);
The constitution has guaranteed these territories bilingualism in the legislature and in the courts.
(1890; Conservative MP D'Alton McCarthy abolish the bilingual character of the Canadian territory).
(1892; made English the only language in schools and courts. The Council of the Northwest Territories then abolished segregated schools, that is to say, Catholic and French.)
(more to come/ still there Oldgit ?)