"Ten Notable Apocalypses That (Obviously) Didn't Happen". Smithsonian magazine. November 12, 2009. Retrieved 2009-11-14. In 1499, the German mathematician and astronomer Johannes Stöffler predicted that a vast flood would engulf the world on 20 February 1524. (His calculations foretold 20 planetary conjunctions during this year—16 of which would take place in a “watery sign,” a.k.a. Pisces.)"
