Centuries: 3rd century - 4th century - 5th century
Decades: 270s - 280s - 290s - 300s - 310s - 320s - 330s - 340s - 350s - 360s - 370s
Years: 320 321 322 323 324 325 326 327 328 329
... in St. Gallen[?], Switzerland, died on November 3, 1643, mathematician and astronomer. Discovered the Guldinus theorem[?] to determine the surface and the volume of a solid ...
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