for me, it's really an incredible thing that it's happened in my lifetime.

55 it is an incredible thing that it has happened in my lifetime.
14 to me it's really an incredible thing that it's happened in my lifetime,
30 it's really an incredible thing that it's happened in my lifetime.
224 it is an incredible thing that it has happened in my lifetime,
37 for me, it's really an incredible thing that it's happened in my lifetime.
8 for me, it is an incredible thing that has happened in my lifetime.
8 it's an incredible thing that it's happened in my lifetime,
6 it's an incredible thing that it has happened in my lifetime,
8 for me, it's really an incredible thing that happened in my lifetime.