1643

1643 (MDCXLIII) ebile ngwaga wa go thoma ka Labone, ngwaga wa bone ngwagengsome wa 1640s, ngwaga wa bomasomenne tharo ngwagengkgolo wa Ngwagakgolo 17, le ngwaga wa bomakgolo tshela masomenne tharo ngwagengkete wa Ngwagakete 2.

 Matswalo 
 Pherekgong 
 Pherekgong 4 - Sir Isaac Newton

Setensele:Ngwaga