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    21 July 1950

    The Althoff Circus orchestrated a publicity stunt by putting an elephant by the name of Tuffi on the train at the Alter Markt station. Tuffi became upset shortly into the ride, crashed through the left side of the car and fell into the river Wupper below. The elephant, two journalists, and one passenger received minor injuries. Both the operator and the circus director were fined after the incident. To this day, the wall of a building at the location of the event (in-between the stations Alter Markt and Adlerbrücke) shows a painting of a jumping elephant.