378 (CCCLXXVIII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bosenyane ngwagengsome wa 370s, ngwaga wa bomasomešupa seswai ngwagengkgolo wa Ngwagakgolo 4, le ngwaga wa bomakgolo tharo masomešupa seswai ngwagengkete wa Ngwagakete 1.