Decades: 1270s 1280s 1290s 1300s 1310s - 1320s - 1330s 1340s 1350s 1360s 1370s
Years: 1315 1316 1317 1318 1319 - 1320 - 1321 1322 1323 1324 1325
Births
Deaths
... gyro tops will not simply fall over, but start precessing around. (The precessing motion is perpendicular to the torque trying to make the gyro fall over.) The ...