Nay. It doesn't explain who you are. It doesn't have to be something ultra dramatic, or completely unique, but something that is special to you, and has had an effect on shaping who you are. With this topic, whatever it may be, you should discuss how the event shaped your character and developed the characteristics necessary to be successful in law school, and/or how you became interesting in studying the law.
Basically, the general guideline (and can be backed up by reading a handful of PS questions on applications) is to touch on the subjects of 1) what makes you unique, different, special, 2) why do you want to go to law school? 3) why would you be a good addition to our law school (as in, why would you be a good student there, and what could you contribute to the educational environment), and sometimes 4) what contribution do you feel you would make to the legal profession as a whole.
If you can find a topic/event/issue that would enable you to answer two or more of these questions while revealing a little bit of who you are, then that's an A+ topic. I don't see you being able to write a stellar statement about one summer class on feminism, unless it's been a life long interest and you have stories/activities that back this up.