Today's not-very-interesting facts are to do with the White Jersey, the newest of the current jerseys, having started in 1975.
Italian riders have won the most - 6
France, Spain and Holland - 5 (although you have to go back to 1992 to find the last Dutch winner!)
Germany - 4
Luxembourg - 3
US, Columbia and Russia - 2
Australia, Mexico and Ukraine - 1
3 riders have won the yellow and white jerseys in the same year:
Fignon 1983
Ullrich 1997
Contador 2007
And 2 riders have won the white jersey 3 times:
Ullrich 1996-1998 (1st, 2nd and 2nd in the Tour)
Andy Schleck 2008-2010 (12th, 2nd and 2nd in the Tour)
The lowest placed overall winner of the White Jersey was 24th in 1989 when it was won by Philippot.