If you visit Google UK today, you will see a special logo for St David's Day.
St David's Day is celebrated on March 1st in the U.K. It is a day the feast day of Saint David and is the day St David died in 589. In the 18th century, the Welsh declared it a national day.
In 2000, the National Assembly for Wales made it a public holiday.
In fact, 87% of people in Wales wanted it to be a bank holiday but British Prime Minister, Tony Blair rejected it.
For more information about Saint David's Day, see Wikipedia.
Forum discussion at Google Blogoscoped Forums.
