I have learned languages in Duolingo since 2019, and in tips before the lesson there was the one, what interesed me. It sounds like "We are helping to save endangered languages, like 'Ōlelo Hawai'i (Hawaii language)".

It interesed me, because of situation with my native language. Belarusian language can disappear in near time and it scares me. I love my country and my nation, like other belarusians. But withot language there's no nation, and if belarusian disappear, our nation also can disappear.

Dear Duolingo, please add belarusian to the app.