Since the Middle Ages, the curfew of inns in Vienna has been indicated by the ringing of the beer bell from the Stephansturm. The meanings and names of the bells of St. Stephan are generally exciting and original. In the northern Heidenturm, which was walled up in good time, the „council bell“ of 1453, the „Feuerin“, the „Kantnerin“ or „Stürmerin“, the „Churpötsch“ and the „beer bell“ that warned the landlords to stop serving.