Gettysburg was a town in the state of Pennsylvania on Earth. It was the site of a battle waged during the American Civil War.
After the battle, United States President Abraham Lincoln delivered a famous speech known as the Gettysburg Address. (SNW: "Tomorrow and Tomorrow and Tomorrow")
In 2376, Captain Janeway believed that although memorials such as the fields of Gettysburg were commemorating events of the past, it did not mean they should not be honored any less than those of the present. (VOY: "Memorial")
The USS Gettysburg was named for this town.