THE swirling leaves and piercing winds have made it pretty obvious to most people that autumn is well and truly upon us.

But it wasn't always so - as certain ancient invaders from the north would have testified.

Historical evidence shows that the Vikings simply didn't recognise the season of autumn; as far as they were concerned winter followed summer.

And as far as the inhabitants of York's Jorvik Viking Centre are concerned, they still have a few more days of summer before their traditional winter celebrations begin.

Vetmaetr is the one and only Viking celebration for this time of year - when ale was brewed and calls were made for peace and prosperity. Many pictures of the Viking ceremonies include people wearing masks depicting animals such as bears, sheep and wolves - and archaeologists have found remnants of felt masks that appear to be animals.

"We're known for celebrating spring with our Jolablot festival each February, so we thought the Vetmaetr celebration for winter was long overdue," said marketing manager Janet Burrows.

"We have a range of free events and activities throughout half-term."

Events include meeting re-enactors, face-painting, quizzes and saga-telling among others.

For details, visit the centre or contact (01904) 543403.