Unless you were firmly under a rock, everyone in the UAE and neighbouring countries knew of the Dubai Metro and its formal debut on the auspicious date/time of 09:09:09 on the 09.09.09.  There are those who argue that technically, it went live at 21:09:09, but I choose to ignore military time just for this one day, even though it is my preferred way of setting my various digital clocks.
Twitterers around the world who were awake around 2 pm on the day would also have seen the Beatles and the Apple conference …