In Western Christian traditions, the period of Lent begins 40 days before Easter, starting with Ash Wednesday. The day before Ash Wednesday is known by a variety of names, and is frequently marked by celebrations, such as the famous Mardi Gras in New Orleans, the Carnaval in Rio de Janeiro, and the Carnevale of Venice.
- Mardi Gras (“Fat Tuesday”): French-speaking countries and most of North America
- Shrove Tuesday: UK, Ireland, Australia
- Pancake Day: UK, Ireland, Australia, Canada
- Sledziówka (“Herring Day”): Poland
- Vastenavond (“Fasting Evening”): Netherlands
- Carnival, Carnaval, Carnevale, Karnival, Karnaval, etc.: Used for the celebration period ending the day before Ash Wednesday in various other parts of the world