Ngwagakete: Ngwagakete 2
Mengwagakgolo: Ngwagakgolo 14Ngwagakgolo 15Ngwagakgolo 16
Mengwagasome: 1380s  1390s  1400s  – 1410s –  1420s  1430s  1440s
Mengwaga: 1412 1413 141414151416 1417 1418

1415 (MCDXV) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa botshelela ngwagengsome wa 1410s, ngwaga wa bolesome hlano ngwagengkgolo wa Ngwagakgolo 15, le ngwaga wa bomakgolo nne lesome hlano ngwagengkete wa Ngwagakete 2.