Ngwagakete: Ngwagakete 2
Mengwagakgolo: Ngwagakgolo 16Ngwagakgolo 17Ngwagakgolo 18
Mengwagasome: 1590s  1600s  1610s  – 1620s –  1630s  1640s  1650s
Mengwaga: 1620 1621 162216231624 1625 1626

1623 (MDCXXIII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bone ngwagengsome wa 1620s, ngwaga wa bomasomepedi tharo ngwagengkgolo wa Ngwagakgolo 17, le ngwaga wa bomakgolo tshela masomepedi tharo ngwagengkete wa Ngwagakete 2.