Decades: 1340s 1350s 1360s 1370s 1380s - 1390s - 1400s 1410s 1420s 1430s 1440s
Years: 1387 1388 1389 1390 1391 - 1392 - 1393 1394 1395 1396 1397
Births
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... to it and will start rotating perpendicular to the force applied. This is why spinning gyro tops will not simply fall over, but start precessing around. (Th ...