The 4th of July is a federal holiday in the U.S. known also as The Independence Day.
On July 4th, 1776 thirteen colonies decided to declare independence from Great Britain.
Thomas Jefferson drafted the historical document and the declaration was the start of the American Nation.
Maybe a coincidence, Thomas Jefferson died 50 years later, on the 4th of July 1826.
From History website:
“In 1870, the U.S. Congress made July 4th a federal holiday; in 1941, the provision was expanded to grant a paid holiday to all federal employees. Over the years, the political importance of the holiday would decline, but Independence Day remained an important national holiday and a symbol of patriotism”.
From Wikipedia website:
“Families often celebrate Independence Day by hosting or attending a picnic or barbecue and take advantage of the day off and, in some years, long weekend to gather with relatives. Decorations (e.g., streamers, balloons, and clothing) are generally colored red, white, and blue, the colors of the American flag. Parades are often in the morning, while fireworks displays occur in the evening at such places as parks, fairgrounds, or town squares”.
Being a True American is being a patriot, in other words, loving defending and supporting The United States Of America.
As part of the support, a patriot will celebrate the Independence Day in a traditional way, being part of national events, wearing a matching t shirt, attending the fireworks celebration, and educating his children to love their country.
Important symbols of this day are the traditional barbecue and desserts, saying USA or made with the flag colors.