This makes it one of the oldest standing festivals in United States history.
Mardi Gras, or Fat Tuesday, itself is always held on the Tuesday before Ash Wednesday.  The first Mardi Gras celebration took place over 175 years ago. This makes it one of the oldest standing festivals in United States history.  During Mardi Gras, there are countless parades, masquerade balls, and King Cake parties that take place throughout the city.