Japanese Language History
If the history of the language were to be split in two the division would fall somewhere between the 12th and 16th centuries when the language shed most of its old japanese characteristics and acquired those of the modern language.
Japanese language history. Proto japonic the common ancestor of the japanese and ryukyuan languages is thought to have been brought to japan by settlers coming from either continental asia or nearby pacific islands sometime in the early to mid 2nd century bc the yayoi period replacing the languages of the original jōmon inhabitants including the ancestor of the modern ainu language. Some come and go as fads bringing up a tamagotchi. Written records of japanese date to the 8th century the oldest among them being the kojiki 712. Records of ancient matters.
English along with a host of languages spoken in europe russia and india belong to the indo european family of languages.