National Register Listings in
Harford County, Maryland

Baker, James B., House Bel Air Armory Bel Air Courthouse Historic District Berkley Crossroads Historic District Berkley School Best Endeavor Bon Air Broom's Bloom Chestnut Ridge Church of the Holy Trinity Churchville Presbyterian Church D. H. Springhouse Darlington Historic District Deer Creek Friends Meetinghouse Dibb House Fair Meadows Finney Houses Historic District Gladden Farm Graham-Crocker House Gray Gables Graystone Lodge Griffith House Gunpowder Meetinghouse Harford Furnace Historic District Harford National Bank Havre de Grace Historic District Havre de Grace Lighthouse Hays House Hays-Heighe House Heighe House Hidden Valley Farm Ivory Mills Jerusalem Mill Village Joshua's Meadows Ladew Topiary Gardens and House Liriodendron Little Falls Meetinghouse Lower Deer Creek Valley Historic District MARTHA LEWIS (skipjack) McComas Institute Medical Hall Historic District Mill Green Historic District Mount Adams Nelson-Reardon-Kennard House Norris-Stirling House Odd Fellows Lodge Olney Pooles Island Lighthouse Poplar Hill Presbury Meetinghouse Priest Neal's Mass House and Mill Site Proctor House Rigbie House Rockdale Silver Houses Historic District Sion Hill Slate Ridge School Sophia's Dairy Southern Terminal, Susquehanna and Tidewater Canal St. George's Parish Vestry House St. Ignatius Church St. Mary's Church Streett, Col. John, House Swansbury Thomas Run Church Tudor Hall Tudor Hall (Boundary Decrease) Vineyard, The Vineyard, The (Boundary Decrease) Webster's Forest Whitaker's Mill Historic District Whiteford-Cardiff Historic District Wildfell Winsted Woodside Woodview
The Battle of Antietam was one of the bloodiest battles of the Civil War: The Battle of Antietam, which took place on September 17, 1862, was one of the bloodiest battles of the Civil War. More than 23,000 soldiers were killed, wounded, or missing after 12 hours of fighting. The battle is considered a turning point in the war, as it gave President Lincoln the opportunity to issue the Emancipation Proclamation.
Harford County, Maryland, has a rich and diverse history that dates back thousands of years. Native American tribes, including the Susquehannock and the Lenape, were the first inhabitants of the area. They relied on the region's lush forests, fertile lands, and abundant waterways for sustenance and trade.

In the 17th century, European settlers began to arrive in Harford County, lured by the promise of new opportunities. English colonists established towns along the Susquehanna River, such as Joppa and Havre de Grace, which served as important trading posts and transportation hubs. The area's fertile soil and favorable climate made it ideal for agriculture, leading to the rise of tobacco and later, wheat plantations.

During the American Revolutionary War, Harford County played a significant role in the fight for independence. Local militias formed to defend against British attacks, and the county became a vital center of support for the Continental Army. Harford even hosted the Second Continental Congress for a brief period in 1776, solidifying its place in early American history.

In the 19th and 20th centuries, Harford County experienced significant industrial and economic growth. The emergence of the railroad system and the establishment of manufacturing industries, such as textiles and canning, propelled the county into the modern era. Today, Harford County remains a vibrant and dynamic area, boasting a mix of suburban and rural communities, as well as a thriving economy supported by a diverse range of industries.

This timeline provides a concise overview of the key events in the history of Harford County, Maryland.

  • 1608: Captain John Smith explores the Chesapeake Bay area, including what is now Harford County.
  • 1692: Harford County is established as one of the original counties of the Province of Maryland.
  • 1775-1783: Harford County actively participates in the American Revolutionary War.
  • 1813: Havre de Grace, located in Harford County, is attacked by the British during the War of 1812.
  • 1827: The Maryland and Pennsylvania Railroad is completed, connecting Harford County to neighboring states.
  • 1851: The Female Institute, now known as Harford Community College, is established in Bel Air.
  • 1861-1865: Harford County experiences significant Civil War activity, particularly during Confederate General Jubal Early's raid on Bel Air in 1864.
  • 1879: The Maryland General Assembly designates Bel Air as the county seat.
  • 1938: Aberdeen Proving Ground, a major US Army installation, is established in Harford County.
  • 1964: The John F. Kennedy Memorial Highway, now Interstate 95, is completed, providing a crucial transportation link for the county.
  • 1977: Harford Mall, the first large-scale shopping center in the county, opens in Bel Air.
  • 2005: Harford County celebrates its 300th anniversary.