1440s
1440s ke ngwagasome tšhupamabakeng ya Gregorian wa go thoma ka 1 Pherekgong 1440 ya fela ka 31 Manthole 1449. Ngwagasome 1440s o wela ngwagengkgolo wa 15.
| Ngwagakete: | Ngwagakete 2 |
| Mengwagakgolo: | Ngwagakgolo 14 – Ngwagakgolo 15 – Ngwagakgolo 16 |
| Mengwagasome: | 1410s 1420s 1430s – 1440s – 1450s 1460s 1470s |
| Mengwaga: | 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 |
| 1440s-tšago tswalanya: |