Here's a Killer Suduko puzzle for you enjoyment. It has the same rules as Sudoku except it starts with no "givens" so you work out which numbers go where using the "caged" numbers.
On the 10th May in 1994, in South Africa, Nelson Rolihlahla Mandela was sworn in as the first black president of South Africa. Although this had nothing to do with Sodoku, here is an easy Sodoku puzzle..