Scorching heat and delays: How Washington DC marked America 250

The United States celebrated its 250th birthday with a variety of events nationwide. These celebrations included fireworks displays and military flyovers. However, the commemorations were also impacted by intense weather conditions experienced across the country. The article does not specify the exact date of the 250th birthday, but it indicates that the celebrations occurred on this occasion. The location of the celebrations is described as being across the United States. The purpose of the events was to mark the nation's 250th anniversary.