If so, folklore predicts that these same surfaces may be blanketed by snow this winter. Not only the acorn, but its connoisseur -- the squirrel -- is also linked to winter weather. If squirrels are more active than usual, it's considered an indication that a severe winter is on its way. And its no wonder why.
Ex-voto. An ex-voto is a votive offering to a saint or to a divinity. It is given in fulfillment of a vow or in gratitude or devotion. Ex-votos are placed in a church or chapel where the worshiper seeks grace or wishes to give thanks.
An ex post facto law is a law that retrospectively changes the legal consequences of acts committed prior to the enactment of the law. It can be either making an act as an offence with retrospective effect; or increasing the prescribed punishment for an offence committed in past.