On November 7, 1940, just four months after it opened, the Tacoma Narrows Bridge in Washington State collapsed in spectacular fashion. A steady 67km/h wind sent the elegant suspension bridge into violent oscillations until its mid-span tore apart and fell into the Narrows below. No lives were lost that day, but the event shook the engineering world. The collapse became one of the most famous failures in modern history – captured on film, studied in classrooms, and referenced