Earliest day on which Shrove Monday can fall, while March 8 is the latest; celebrated on Monday before Ash Wednesday (Christianity), and its related observances: Fastelavn (Denmark/Norway)

Fastelavn

Carnival tradition in Northern Europe

Fastelavn is a Carnival tradition in the Northern European, and historically Lutheran, nations of Denmark, Norway, Sweden, Latvia, Estonia, Iceland, Faroe Islands, as well as Greenland.