Epiphany

The Epiphany or Kings Day or Theophany (Chritianity), is a Chritian Feast Day and the start of some Carnival Seasons.
The parties and parades begin on a very small but  widespread scale until the climax on the Tuesday before Lent which is Fat Tuesday

* Twelfth Day of Christmas AKA Twelfth Day AKA  Three Kings Day, The Start of the Carnival Season.
* Theophany (Revelation of the Trinity at Christ's baptism in the Jordan)

*Epiphany (Christianity - except Eastern and Oriental Orthodox who follow the Julian Calendar) – sometimes known as Three Kings Day or Dia de los Santos Reyes. Epipany is a  Public holiday in Finland, Italy, Puerto Rico, Greece, Spain, Sweden, and Slovakia