Americans celebrate United States 200th Anniversary in Virginia, United States. Guests gathered outside Thomas Jefferson's Monticello, near Charlottesville, Virginia. Five hundred new citizens sign naturalization documents. Man calls out names of the new citizens. In an official ceremony, the new citizens swear to support the Constitution of the United States of America .Woman,speaking on the US Capitol Mall, Washington, DC, quotes from American Declaration of Independence. flags with fireworks in the background.