"Mudfort" was officially established as the town of Bolivar, named after Simon Bolivar.
A bridge at Harpers Ferry over the Potomac is completed to connect Harpers Ferry with Maryland.
The Chesapeake and Ohio Canal broke ground on July 4, 1828, with a ceremonial groundbreaking by President John Quincy Adams in Washington D.C.

Throughout the 1830's and 40's Jefferson County focused on the expansion of infastructure, and saw the creation of a multitude of new roads, railroads, bridges, and other items of transportational value.
After being fired from his position at the armory, Ebenezer Cox shot and killed Superintendent Colonel Thomas B. Dunn. Although Cox implicated numerous other individuals in the plot of Col. Dunn's pre-meditated murder, only Cox was found guilty of the crime. Cox was later sentenced to death.
A cholera epidemic that is quickly taking over the nation hits Jefferson County hard. Cholera, often coined Blue Death, infects the small intestine and causes severe dehydration (often causing the sick to turn blue). The infection was common in slaves quarters and canal workers.
The Chesapeake and Ohio Canal, which had been under construction through the early 1830's, reaches Harpers Ferry.
The Department of War moved to significantly reduce wages of armory workers at Harpers Ferry, causing a panic among laborers and villagers.
The new Catholic Church in Harpers Ferry was consecrated by Archbishop Writefield of Baltimore, Maryland.
Another significant wave of cholera affects eastern Jefferson County from Harpers Ferry to Shepherdstown, ravaging residents and laborers from summer through winter.
After a battle with the canal, the Baltimore & Ohio Railroad arrives in Harpers Ferry.
Corkonians begin what is known as "The Irish War" by assaulting Longford laborers on the C&O Canal line. During the assault, Longford man John Irons was killed.
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