The Russian Empire began counting people by native tongue with its first modern census in 1897, but in 1926 the Soviet Union replaced this question with a question about ethnicity.
In 1926 the Soviet Union replaced this question with a question about ethnicity. The Russian Empire began counting people by native tongue with its first modern census in 1897.
The Russian Empire began counting people by native tongue with its first modern census in 1897. In 1926 the Soviet Union replaced this question with a question about ethnicity.
The Russian Empire began counting people by native tongue with its first modern census in 1897. In 1926 the Soviet Union replaced this question with a question about ethnicity.