May 25, 2009 is the day SHINee debuted with “Replay“.

It has been four years since then and the boys are now thanking ShaWols for supporting them through the years.

On May 24th, SM Entertainment uploaded a video message of SHINee talking about their anniversary, their fans support, and how much time has flown.

Watch SHINee’s message below:

In other news, SHINee is emarking on their Japanese tour that will stop in Fukuoka, Sapporo, Nagoya, Osaka, Kyoto, etc. Their mini-album release “Sherlock” ranked number 2 on the Oricon Chart after selling 48,990 units.

Sources: SMTown and Sports Chosun