The two floors used by the museum previously belonged to the sauna and cleaning wing of the now abandoned Viktoriabad .
In 1886 an association was founded in Bonn with the aim of creating a city history museum.
[2] Today's Bonner Heimat- und Geschichtsverein transferred its extensive collection to the city of Bonn in the mid-1950s.
[4] The founding director of the museum was the head of the city archives, Manfred van Rey.
The opening of the actual showrooms for the permanent exhibition of the Stadtmuseum Bonn ("From Roman times to today") in the later allocated building on Franziskanerstraße took place on January 14, 1998 on 1000 square meters.