Leszek II the Black This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Leszek_II_the_Black".
Leszek the Black (Polish: Leszek Czarny) was one of the dukes of the fragmented Polish Kingdom. He ruled from 1279 to 1288. During his government there was a third Mongol raid against Poland in 1287.