Analysis of information sources in references of the Wikipedia article "Belarusian language" in English language version.
At the last scholastic census of 1911, the children of the people declared their language to be Polish, and when their Russian masters refused to fill the census-forms in this manner, and wrote 'Language: White Ruthenian' instead of 'Polish language', the children's parents protested and demanded the correction of the census-forms [...].
Положение дел с языком в Белоруссии сходно с положением в Ирландии.