My school did a thing on 11/11/2011 where 11 Year 11 students stood below the huge school digital clock sign at exactly 11:11:11. It was photographed, and captioned '11 Year 11s on 11/11/11 at 11:11:11'.
(I was in Year 11 at the time but not in the photo)
(I was in Year 11 at the time but not in the photo)