Complex sentence: Damir Khayretdinov (Russian: Дами́р Зиню́рович Хайретди́нов) (born 1972) is a Russian historian, ethnographer and social activist known for his work documenting and studying the indigenous cultures and languages of Russian Tatars.
Split into simpler sentences: Damir Khayretdinov (Russian: Дами́р Зиню́рович Хайретди́нов) (born 1972) is a Russian historian, ethnographer and social activist. He is known for his work documenting and studying the indigenous cultures and languages of Russian Tatars.