Shrove Monday, also known as Collop Monday, Rose Monday, Merry Monday, or Hall Monday, is an annual Christian holiday observed on the Monday before Ash Wednesday. It features carnival parades and floats that often satirize cultural habits, public figures, and current events, accompanied by marching bands and local associations. Spectators frequently dress as mythical or political figures, enhancing the festive atmosphere. The day is part of the German, Danish, and Austrian Carnival calendar, referred to as 'Rosenmontag,' and is celebrated with revelries and satirical floats. In New Orleans and the Mississippi Gulf Coast, Shrove Monday is known as 'Lundi Gras' or 'Fat Monday,' marked by music, food, and drink. It is also a national holiday in Aruba, allowing people to recover from Carnival festivities before the Lenten fast begins.