英语文摘:Americans Celebrate Independence Day

Philadelphia marked Independence Day on July 4, 1777, a year after the Declaration of Independence was adopted
The city adjourned Congress and celebrated with bonfires, bells and fireworks
The custom spread across the United States in the following years
Congress established Independence Day as a holiday in 1870
Today, the 4th of July is marked with parades, fireworks, picnics, barbecues.