The windigos left Equestria gripped in the clutches of a seemingly eternal winter, driving ponykind to the brink of extinction. However, in Equestria's bleakest hour an act of friendship between an earth pony, unicorn, and pegasus drove back the windigos' curse and lifted a decade of snow and ice.
This story became the hallmark tale of Hearth's Warming, a holiday to honour the ponies lost and friendships gained during those dire times. A holiday which also has the added benefit of reinforcing the magical barrier which holds the windigos at bay.
With the stakes so high, a meaning so noble, and memories of the Great Winter still fresh in mind, getting ponies to celebrate shouldn't be too difficult.
Right?
Edited by the fantastic Rose Quill.
Death and violence tags are merely for references of the acts and neither actually appears in this fic.