Centuries: 13th century - 14th century - 15th century

Decades: 1340s 1350s 1360s 1370s 1380s - 1390s - 1400s 1410s 1420s 1430s 1440s

Years: 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399

... consist of discrete lines. Assumption 4) states that the lowest value of n is 1. This corresponds to a smallest possible radius (for the mathematics see ...