YOU SAID:

i went to 7/11 but then i realized it was 9/11

INTO JAPANESE

7/11に行ったけど9/11だと気づいた

BACK INTO ENGLISH

i went on 7/11 but i realized it was 9/11

INTO JAPANESE

私は7/11に行きましたが、9/11であることに気付きました

BACK INTO ENGLISH

I went on 7/11 and realized it was 9/11

INTO JAPANESE

私は7/11に行き、それが9/11であることに気づきました

BACK INTO ENGLISH

I went on 7/11 and realized it was 9/11