text: When the state of Brandenburg was newly founded in 1990 , the districts of LÃ 1\/4 bben , Luckau and KÃ nigs Wusterhausen had been established .
simplified: When the state of Brandenburg was newly founded in 1990 , the districts of LÃ 1\/4 bben , Luckau and KÃ nigs Wusterhausen were formed .