Battle Hostile_encounter of Rawa ( also written as `` -Rava '' , `` -Rawa-Ruska '' , `` -Rava-Ruska '' , or `` -Rava-Russka '' ) was an early stage World War Hostile_encounter I battle Hostile_encounter between Austria-Hungary and Russia , between September 3–11 , 1914 .

Rawa Blues Festival ( pronounced `` rava '' ) is one of the largest ( world 's largest indoor blues festival ) and most popular blues festivals in Europe and in the world .

The festival was named Name_conferral after the Rawa River , which flows through the city of Katowice in Poland .