America's 250th birthday celebrations include fireworks, military flyovers and a historic ball drop

Key Points:

• Dangerous heat warnings affect hundreds of millions in the central and northeastern U.S., causing cancellations and postponements of Fourth of July events in states like New Jersey, Pennsylvania, and Delaware.
• Major America250 celebrations are planned nationwide from July 3-4, including events in Boston, Charleston, Fort Campbell, Milwaukee, and Philadelphia, despite some weather-related disruptions.
• Key events include President Trump's remarks and fireworks at Mount Rushmore on July 3, the Capitol Fourth concert in Washington, D.C., and the Salute to America celebration with military flyovers and fireworks on July 4.
• New York City will host unique celebrations such as the Times Square ball dropping eight times for each U.S. time zone, Nathan's Famous hot dog eating contest, the expanded Macy's fireworks show, and the International Naval Review featuring military ships from over 20 countries.
• Other notable celebrations include Bristol, Rhode Island's oldest continuous Fourth of July event, Philadelphia's burial of a time capsule for 2276, the Wawa Welcome America festival, and a World Cup soccer match between Paraguay and France on July 4.