After the World War II, Tychy Was given a role of "bedroom city" of Katowice by its architects. The first district Tychy was called "A" and subsequent ones, were given the names of the letters of the next. They arrived at the "Z". At that time the cost of the houses was very low, and so many people came from all over Silesia to search for home and work. The district "B" or "Osiedle B".