In the United States, Independence Day is celebrated on July 4th. This day is also often commonly know as "July 4th or Fourth of July". It is a U.S. federal holiday honoring the adoption of the Declaration of Independence on July 4, 1776. On this day in 1776, the Declaration of Independence was approved by the Continental Congress in the City of Philadelphia. It is a day of picnics, parades, outdoor recreation, a night of fireworks and a reason to fly the American flag. The day marks the journey of the original 13 colonies on the road to independence as a sovereign nation. Since it is a day centered on picnic food and outdoor fun, retailers often have special sales and discounts focused on those activities.