We prolong the use of our Advent wreath by removing the colored votive holders on Christmas Day, replacing them with white votive holders (clear frosted glass, actually) and burning tealights in those every evening through Epiphany. The tree stays up until the Feast of the Baptism of the Lord.
When I was a kid, we rugrats would leave our shoes at the foot of the table the nativity set was on the evening of January 5th and the next morning there would be one or two small gifts inside, usually a tangerine and/or some kind of chocolate bar. The Husband and I don’t have children, so this tradition dies with me. (My elder sister is also childless.)
In this part of France, it’s customary to share a
galette des Rois (“galette of the kings”) on the Feast of the Epiphany with at least one other person, though it’s more fun in a group of at least four. It’s a round, flat dessert made of flaky pastry encasing some filling, traditionally frangipane or applesauce but many alternatives exist. They aren’t difficult to make but much easier to buy

(In my defense, the bakery is a lot better at flaky pastry than I’ll ever be.) A small porcelain or metal figurine called a
fève (literally “fava bean;” back in the day a dried fava bean was used until someone got the bright idea to use figurines instead) is hidden inside. The galette is sliced into however many portions needed to give each person a wedge, with the youngest child present sitting under the table and deciding who gets which piece as it’s cut from the galette. Whoever finds the
fève is given a paper crown, gets to be king or queen for the day, and chooses his queen or her king from amongst the others present.
Because there’s just the two of us, we simply hack off two servings per day until we’ve eaten the whole galette, regardless of when the
fève is found.
25% of the country does the same thing with a
gâteau des Rois (“cake of the kings”) instead. This is a ring-shaped sweet bread studded with candied fruit. It is nasty.

Probably the forerunner of the New Orleans king cake, the recipe has improved greatly in the hands of the bakers in that awesome city.