On which date is the United States' birthday celebrated?

The United States' birthday is celebrated on July 4, 1776, which marks the adoption of the Declaration of Independence. This document was primarily authored by Thomas Jefferson and declared the thirteen American colonies free from British rule. The date is significant because it represents the founding principles of the nation and the belief in the rights of individuals to self-governance. The celebration of this day has become a national holiday, commonly known as Independence Day, where Americans commemorate their freedom with various festivities such as fireworks, parades, and family gatherings. This connection to a pivotal moment in history solidifies July 4th as the rightful date to celebrate the birth of the United States.