Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Belarusian language:

"

In the Belarusian Democratic Republic, Belarusian was used as the only official language (decreed by Belarusian People's Secretariat on 28 April 1918).[citation needed] In the Byelorussian Soviet Socialist Republic (BSSR), Belarusian was decreed by the Central Executive Committee to be one of the four official languages – along with Polish, Russian, and Yiddish – in February 1921.[citation needed]