Six Nations tournament underway, we're taking a look at the history and some fun stats from the famous rugby tournament.

Rugby's greatest championship has been played in some form or another since 1883, becoming the modern Six Nations in 2000.

Some nations have even accomplished a grand slam -- completed by winning all five matches in a single Six Nations tournament en route to capturing the championship. Here's everything to know about ...

It originally began in 1883 as the Home Nations Championship, before France joined in 1910 to make it the Five Nations. Italy completed the Six Nations line-up when they joined in 2000.

The Home Nations Championship was played in all but five years (1885, 1888, 1889, 1897 and 1898) from 1883 until 1909, before adding France to the tournament roster to become the Five Nations.