History
Shortly after Captain America emerged from being frozen in suspended animation, the town of Burlington, Nebraska was besieged by a white supremacist militia called the Rampart, who took over a police station as part of their attempt to claim control of Bouton County. Captain America stopped the Rampart, and in his honor, the citizens of Burlington almost unanimously voted to rename the town "Captain America."
Ten years later, Captain America returned to the town after receiving intel that the Rampart planned a resurgence during the 10th Annual Captain America Celebration. The Rampart was stopped as soon as they made an appearance at the festival, and Cap went on his way.[1]