YOU SAID:
Takeshi's friend's major is history.
INTO JAPANESE
タケシさんの友人の専攻は歴史です。
BACK INTO ENGLISH
Majors's Takeshi's friend is history.
INTO JAPANESE
メジャーのタケシさんの友人は、歴史です。
BACK INTO ENGLISH
Majors's Takeshi's friend is history.
Well done, yes, well done!