Decades: 1330s 1340s 1350s 1360s 1370s - 1380s - 1390s 1400s 1410s 1420s 1430s
Years: 1381 1382 1383 1384 1385 - 1386 - 1387 1388 1389 1390 1391
Births
Deaths
... over, but start precessing around. (The precessing motion is perpendicular to the torque trying to make the gyro fall over.) The axis of the gyroscope in the Dynabee ...