There's a lot of ways to say Happy Birthday. You can say, "Natal Day", "Born Day" or simply "Birth Day". In any way, it's something to celebrate and remembering the time you first acquire the space in the world. Also, in different languages Happy Birthday would be say in Korean as "Saeng il chuk ha ham ni da!", Tagalog "Masayang Kaarawan" and French "Joyeux anniversaire, or Bon anniversaire". Every year, each one us have something to look forward on this special day. So, for anyone who is celebrating their birthday, same as mine. I'll greet you a Happy Birthday. May all our wishes come true.