The Battle of Upperville took place in Loudoun County, Virginia on June 21, 1863 during the Gettysburg Campaign of the American Civil War.

John Buford Jr. was a United States Army cavalry officer. He fought for the Union as a brigadier general during the American Civil War. Buford is best known for having played a major role in the first day of the Battle of Gettysburg on July 1, 1863, by identifying, taking, and holding the "high ground" while in command of a division.