Where would I go if I could go to the past?

We were asked to make an article for a magazine telling where we wanted to go if we could go to the past. Here you have my article.

If I could go to the past, there are plenty of moments and places I would like to go. But I think that I would really like to go to December, 2005; were my mother was about to have my sister, Josefina. I was 2 years and I don't remember a thing about this moment.
My mom told me that she had to be more passive than ever and that we played in the sofa or in the table because of this. She says that I was really peaceful and I enjoyed my time with her. My sister was born on December 21, 2005 at 4:00 a.m. My grandmother was taking care of me and I went to see Jose in the afternoon. She was in intensive care for about a month . I would like to go there because I'd like to know how did I feel when my parents told me that I was going to have a sister, when I first saw her, how was it to play with her and with my mom and many, many more things about it.
Now I am 13 and Jose is 11 years old. We have a good relationship, even though we are fighting all the time. I enjoy excellent moments with her and she enjoys too. I don't know what I would do without her.