The festival celebrated with fireworks on the 4th of July in the USA is Independence Day. This national holiday commemorates the adoption of the Declaration of Independence on July 4, 1776, marking the colonies' separation from British rule. Americans celebrate this day with various festivities, including parades, barbecues, and, most famously, fireworks displays that light up the night sky. The tradition of setting off fireworks symbolizes the joy of freedom and the birth of the nation, creating a vibrant atmosphere of patriotism and communal celebration across the country.