<Li> In 1870, the U.S. Congress made Independence Day an unpaid holiday for federal employees . </Li> <Li> In 1938, Congress changed Independence Day to a paid federal holiday . </Li> <P> 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 (such as 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 . </P> <P> Families often celebrate Independence Day by hosting or attending a picnic or barbecue; many take advantage of the day off and, in some years, a long weekend to gather with relatives or friends . Decorations (e.g., streamers, balloons, and clothing) are generally colored red, white, and blue, the colors of the American flag . Parades are often held in the morning, before family get - togethers, while fireworks displays occur in the evening after dark at such places as parks, fairgrounds, or town squares . </P>

When did we gain our independence from england