Short answers, pulled from the story.
Wuppertal was founded in 1929 through the merger of five distinct industrial cities. Elberfeld, Barmen, Ronsdorf, Cronenberg and Vohwinkel joined forces to form a single municipality in western Germany.
A suspended monorail called the Schwebebahn has operated since 1901 above streets and the River Wupper itself. Tracks run approximately seven meters above street level and twelve meters above the river water below.
Aspirin originated from Wuppertal when Felix Hoffmann synthesized the compound at a Bayer facility in 1897. The Vorwerk Kobold vacuum cleaner also emerged from these same industrial roots.
Between the 5th of July 1933 and the 19th of January 1934 Nazi authorities established the Kemna concentration camp within Wuppertal. Located in a former factory building on the River Wupper in the Kemna neighborhood of Barmen it served one purpose: incarcerating political opponents after the Nazi Party gained power in 1933.
Miriam Scherff of the Social Democratic Party was elected mayor on the 28th of September 2025 following a runoff election. She received sixty-five thousand one hundred forty-two votes representing seventy-four point six percent of the total.