There have been a few mighty demonstrations of Welsh support down the years .
This is probably the mightiest one of all for a team on foreign soil since Owain Glyndwr and his warriors crossed the English border more than 600 years ago .
There have been a few mighty demonstrations of Welsh support down the years but this is probably the mightiest one of all for a team on foreign soil since Owain Glyndwr and his warriors crossed the English border more than 600 years ago .