Well, it looks as if 2010 is the last year of the first decade of this century, not the first year of the second decade. It's apparently very complicated.
We had a fabulous party to celebrate the new year. Lots of fun people came over to visit and celebrate. Nobody had any drama. At all. We whooped it up until about 4:45 AM. That's when the last puzzle got finished. Whoopee!
I need some chocolate.