Decades: 1310s 1320s 1330s 1340s 1350s - 1360s - 1370s 1380s 1390s 1400s 1410s
Years: 1363 1364 1365 1366 1367 - 1368 - 1369 1370 1371 1372 1373
Births
Deaths
... because it discriminates between three qualitatively different cases: If the discriminant is zero, then there is a repeated solution x, and this solution is real. ...