Mardi Gras looks like pure sparkle on the surface—parades, music, and a sea of purple, green, and gold—but it’s also a centuries-old tradition that blends faith, culture, and community. Whether you’re planning a family trip to New Orleans, teaching a classroom about global celebrations, or simply curious about the king cake on your grocery shelf, understanding when Mardi Gras happens and why it matters helps you celebrate with meaning.
Mardi Gras (French for “Fat Tuesday”) is always the day before Ash Wednesday, which begins Lent in the Christian calendar. Because the date of Easter moves each year, Mardi Gras moves with it.
Simple rule: Mardi Gras = Easter Sunday minus 47 days.
In New Orleans, “Mardi Gras” often refers to the whole Carnival season, which starts on January 6 (Epiphany or Twelfth Night) and runs through Fat Tuesday. The busiest parade days are the final two weekends.
Why Is Mardi Gras Celebrated?
Mardi Gras grew from pre-Lenten customs in Christian Europe, where communities feasted and celebrated before the fasting and reflection of Lent. The term “Fat Tuesday” reflects using up rich foods—eggs, butter, sugar, and meat—before the Lenten season’s simpler fare.
French and Spanish colonists brought Carnival traditions to the Gulf Coast. The first recorded U.S. Mardi Gras observances were in Mobile (1703), and later in New Orleans (1718). In the 19th century, organized “krewes” formed to plan parades and balls, giving structure to the festivities that continue today.
Related traditions on the same day include Pączki Day (Polish jelly doughnuts) in the Midwest, and Fastnacht Day (German doughnuts) in Pennsylvania Dutch communities.
These colors were popularized by the Krewe of Rex in the 1870s and now define Mardi Gras décor, beads, and king cakes.
King Cake and the “Baby”
King cake is a ring-shaped pastry, often braided and iced in purple, green, and gold. A small “baby” (originally a bean; today often a plastic figurine) may be hidden inside. Finding the baby symbolizes good luck—and traditionally means you host the next party or bring the next cake.
Safety tip: If baking your own, insert the figurine after baking or use a food-safe charm. For classrooms, consider a paper crown in one slice instead of a small object.
Krewes are social organizations that fund and stage parades. Riders on floats toss “throws” to the crowd—beads, cups, toys, and collectible coins called “doubloons.” Signature throws include Zulu’s hand-decorated coconuts and Muses’ glittered shoes.
New Orleans “super krewes” like Endymion, Bacchus, and Orpheus produce large, celebrity-led parades on the final weekend. Smaller neighborhood parades and walking krewes add local flair, especially early in the season.
Masks and costumes allow playful anonymity and creativity. In some places, riders are required to be masked by law during parades. Flambeaux carriers—torchbearers who historically lit the night—remain a dramatic tradition on select routes. Brass bands and second-line rhythms are the heartbeat of the streets.
The Monday before Fat Tuesday is Lundi Gras. In New Orleans, the day features festive riverfront events and the symbolic arrival of Rex, King of Carnival, who “reigns” over the final day’s celebrations.
Unique to New Orleans, Mardi Gras Indian tribes honor Native American and African American heritage with intricate hand-beaded suits. Their processions, primarily within neighborhoods, are community-centered and rooted in resilience and cultural pride. Visitors should be respectful—observe without blocking or crowding.
Note: In countries following the Eastern Orthodox calendar, pre-Lenten carnivals may occur on different dates.
Be inclusive by framing Mardi Gras as cultural heritage with religious roots. If your classroom includes students who observe Lent, invite them to share traditions if they wish; never require participation in faith-based practices.
The history of this holiday is coupled with controversies as some believe that the holiday is associated with the Roman pagan celebration of Saturnalia, while others think that this holiday is associated with Christian traditions. Below we look at both accounts.
Early Roman festivals
Roman pagan festivals of fertility or spring such as Saturnalia and Lupercalia date back to 133-31 BC. These holidays were celebrated in honour of the god of Agriculture, Saturn. For instance, Saturnalia was a week-long tradition observed from mid-December before the strewing of winter crops. However, with the adoption of Christianity among the Romans, the holiday was overpowered by Christmas celebrations which took place around the same period.
Christian traditions
According to this account, this holiday is closely associated with the Christian celebration of Epiphany, also referred to as Three Kings’ Day or Magi according to the Gospel of Matthew. On this day, the three wise men visited Jesus with gifts of myrrh, gold, and frankincense. Therefore, during the 12 days after Christmas, Western Christians observe Epiphany to mark Jesus’ coming not only to the Jews but to the gentile Magi as well. As such the Feast of Epiphany marks the beginning of the carnival celebrations which continue until the day before Ash Wednesday. Traditionally, Christians believe that the 40-day period between Ash Wednesday and Easter, exclusive of Sundays, is for abstaining from luxurious things, especially foods that bring them joy. In doing so, they believe that they can better understand Jesus’ trial and temptations during His 40 days in the wilderness before His death on Good Friday. Hence, on the last day of Epiphany, usually the Tuesday before Lent, Christians indulge in feasting on their favorite delicacies.
Although these feasts were initially observed by Christians only, with time feasts revolving around Mardi Gras gained publicity and were adopted under new names as the tradition continued to spread. For instance, the first observance of this holiday in the United States dates back to March 1699 following the arrival of the French-Canadian traveler Pierre Le Moyne d’Iberville in North America. Because this day coincided with Fat Tuesday back in France, Iberville decided to call the spot Point du Mardi Gras and organized a small gala. In the following years, French soldiers and settlers dined and wore masks in celebration of Mardi Gras in present-day Alabama.
Celebrations of Mardi Gras before Lent always involve the custom of wearing masks and costumes. For instance, in New Orleans, typical costumes include fairies, animals, mythical characters, medieval costumes, clowns, feathers, and capes. In the United Kingdom and Ireland, the week before Ash Wednesday is referred to as Shrovetide and culminates on Shrove Tuesday. During this period, pancakes or pastries are the customary celebratory foods, especially in the Caribbean and Latin America regions.
Observation of this holiday varies from region to region. For instance, in the state of New Orleans, this holiday is observed from the twelfth night of Christmas until Ash Wednesday while in others, it is observed on the last three days of the period before Ash Wednesday. Typically, carnival celebrations are significant in Catholic and Anglican European nations. Below is a list of countries and their traditions during the Mardi Gras holiday:
Belgium
In the city of Binche, Belgium, Mardi Gras celebrations mark a very significant period of the year, the Carnival of Binche. During this period, over 1000 Gilles dance across the city while playing traditional carnival songs. Another celebration includes the Aalst Carnival in celebration of Mardi Gras, which is thought to mark the day of “Voil Janet or Dirty Sissy.” During the Aalst Carnival, men wear their mothers’ or wives’ dresses, a custom which dates back to when workers did not have funds to buy clothes.
Brazil
The Brazilian Carnival is one of the most popular holidays around the world, especially among tourists. During this festival, Brazilians incorporate samba in their celebrations accompanied by massive parades, big parties, and a variety of musical styles in the streets.
Czech Republic
In the Czech Republic, Mardi Gras is celebrated as Masopust, which means meat-fast or the beginning of the fast. Major celebrations are held in Prague as well as other villages and activities include door-to door processions.
France
In France, parades are common in Nice, Granville, Alpes Maritimes, Dunkerque, Sarreguemines, and the French Caribbean islands. The Nice Carnival, which according to records by the Count of Provence, Charles Anjou dates back to 1294, is held annually on the French Riviera.
Germany
In Germany, Mardi Gras is known by different names including Fetter Donnerstag (Fat Thursday), Greesentag, among others. Usually, this holiday is observed one or two weeks before Ash Wednesday and may be referred to as Fasching, Fastnacht or Karneval, among others. Typically, the customary commencement of this season is on November 11 at 11:11 am.
Italy
In Italy, this holiday is known as Martedi Grasso (Fat Tuesday) and is the central day of the Carnival together with the prior Thursday, which is known as Giovedi Grasso (Fat Thursday) and marks the start of the celebration.
Netherlands
In the Netherlands, Carnaval is celebrated instead of Mardi Gras. The name Carnaval is derived from carnem levare, which translates to “take away meat” or Carne vale, which means “farewell to meat.”
Russians celebrate the carnival of Maslenitsa which from a pagan perspective commemorates the conclusion of winter and the ensuing summer, and from a Christian perspective marks the final week before Lent.
The United States
In the United States, this holiday is standard in traditionally ethnic French regions. The first Mardi Gras parade was observed in 1837 in New Orleans. Other cities with French colonial heritage and active Mardi Gras celebrations include Galveston, Florida, Texas, Lafayette & Alexandria, Louisiana, Natchez, Mississippi.
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