I believe it is Vicksburg, which was not 100 years but 83 years, July 4th 1863 to July 4th 1945.
During the US Civil War, at the same time Lee was fighting and loosing at Gettysburg, Grant had surrounded Vicksburg in the famous siege of Vicksburg. Vicksburg fell on July 4th to Grant and Lee was defeated at Gettysburg also on July 4th.
Vicksburg residents never forgot the siege and refused to celebrate July 4th until the end of World War II.
New Delhi, India
The bell of the town's parish on Dolores, Mexico, where the War of Independence against Spain began (September 16, 1810).
Brazil's independence from Portugal was declared in 1822. The capital city is Brasilia. Based on the date independence was declared, Brazil is 191 years old.
City of Independence, located in Quebec.
Independence is a city in Missouri.
Charles Town
Seattle, Washington drops an elevator on New Years Eve
In 1863 the Confederate troops surrendered in Vicksburg. The Union gained control of the Mississippi River and divided the Confederacy in half. To celebrate the 4th would have been to celebrate the defeat of the city and of the South. It took about 80 years for those who had lived through the surrender to pass on.
The Pottsville, PA fireworks are typically held on July 4th to celebrate Independence Day. Check the local event calendar or the city's website for specific date and time information.
Vatican City
Independence County is a county in Arkansas. Independence is a city in Missouri.
What is the name of the most southern city