This department store is special in many ways among the department stores of the Brouk+Babka chain. Firstly, it is the last building to be erected by B+B, because its opening marked the beginning of the occupation of Czechoslovakia by Germany. After Germany invaded Czechoslovakia on 15 March 1939, it was opened on 19 March 1939. Secondly, it is the only B+B department store that never bore Brouk+Babka or B+B on its exterior, but was called Bílá labuť. The name was taken from the baroque building with a restaurant and brewery that was demolished. In 1937 it was replaced by the largest department store of its time in Czechoslovakia. In addition to self-service throughout the store, which was not common at the time, customers could also order by catalogue. The goods were sent to their homes by post.
Due to its special features and modern equipment, it was listed in 1958. Until the opening of the department stores Máj and Kotva in 1975, it remained the most modern department store in the Czech capital.
After the political change in 1990, countless shopping centres were built in Prague. Department stores of this kind were no longer attractive to most customers for many reasons. The spaces for sale became emptier and emptier. Currently (2022), some products are sold on the ground floor, in addition to empty floors there is also a fitness centre and, as before, a self-service restaurant on the fifth floor.