Independence Day of the United States, also referred to as the Fourth of July or July Fourth in the U.S., is a federal holiday commemorating the adoption of the Declaration of Independence on July 4, 1776, by the Continental Congress declaring that the thirteen American colonies regarded themselves as a new nation, the United States of America, and no longer part of the British Empire.
Independence Day is a national holiday marked by patriotic displays. Similar to other summer-themed events, Independence Day celebrations often take place outdoors. Independence Day is a federal holiday, so all non-essential federal institutions (like the postal service and federal courts) are closed on that day. Many politicians make it a point on this day to appear at a public event to praise the nation's heritage, laws, history, society, and people.
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.
Firework shows are held in many states, and many fireworks are sold for personal use or as an alternative to a public show. Safety concerns have led some states to ban fireworks or limit the sizes and types allowed. In addition to safety concerns local and regional weather conditions may dictate whether the sale or use of fireworks in an area will be allowed. Some local or regional firework sales may be limited or prohibited because of dry weather, drought conditions, or other specific concerns. On these occasions the public may be prohibited from purchasing or discharging fireworks, but professional displays (such as may be found at sport events) may still tale place provided that certain safety precautions have been taken. Illicit traffic transfers many fireworks from less restrictive states.
A salute of one gun for each state in the United States, called a "salute to the union", is fired on Independence Day at noon by any capable military base.
Now let's send messages of congratulations to United States !
According to en.wikipedia.org
Soure of photos: internet