My first unexplainable - but turned out to be true - premonition started in 2012 when I just got the sense that something not very good was going to happen in April of that next year. I couldn't pinpoint what exactly or who it would be even be about, but the feeling just wouldn't leave me alone. Then, at the start of 2013, I thought it may have something to do with some health problems I was having so I went to the doctor to get some things checked out. But it wasn't that at all.
Then March rolled around and a huge change hit my and my family's life at that time and then by the time April rolled around, I came to realize the origin of that "bad feeling." Without going into too many personal details, I know I had sensed it coming. (And I haven't had that feeling same since.)
My mom has a sixth sense too and she will often get a premonition of things to come (which turn out to be true as well).
And I'm always fascinated about the experiences of others and I know there are other stories out there. In fact, I found a database published on about.com of the premonitions other people have had too. / This is actually something important to do if you do get premonitions - you do want to document what you've sensed.
Do you have a sixth sense? Have you ever had a premonition come true?