Loudoun County, Virginia in the context of "Virginia State Route 28"

An exurb (or alternately: exurban area) is an area outside the typically denser inner suburban area, at the edge of a metropolitan area, which has some economic and commuting connection to the metro area, low housing density,and relatively high population growth.It shapes an interface between urban and rural landscapes, holding a limited urban nature for its functional, economic, and social interaction with the urban center, due to its dominant residential character. Exurbs consist of "agglomerations of housing and jobs outside the municipal boundaries of a primary city" and beyond the surrounding suburbs.

The Washington Metro, often abbreviated as the Metro and formally the Metrorail, is a rapid transit system serving the Washington metropolitan area of the United States. It is administered by the Washington Metropolitan Area Transit Authority (WMATA), which also operates the Metrobus service under the Metro name. Opened in 1976, the network now includes six lines, 98 stations, and 130 miles (210 km) of route.

Metro serves Washington, D.C. and the states of Maryland and Virginia. In Maryland, Metro provides service to Montgomery and Prince George's counties; in Virginia, to Arlington, Fairfax and Loudoun counties, and to the independent city of Alexandria. The system's most recent expansion, which is the construction of a new station (and altering the line), serving Potomac Yard, opened on May 19, 2023. It operates mostly as a deep-level subway in more densely populated parts of the D.C. metropolitan area (including most of the District itself), while most of the suburban tracks are at surface level or elevated. The longest single-tier escalator in the Western Hemisphere, spanning 230 feet (70 m), is located at Metro's deep-level Wheaton station.

Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. With a population of 1,150,309 as of the 2020 census, it is the most populous county in Virginia, the most populous jurisdiction in the Washington metropolitan area, and the most populous location in the Washington–Baltimore combined statistical area. The county seat is Fairfax; however, because it is an independent city under Virginia law, the city of Fairfax is not part of the county.

The county is part of the Northern Virginia region and forms part of the suburban ring of Washington, D.C., the nation's capital. The county is predominantly suburban with some urban and rural pockets. It borders Montgomery County, Maryland to its north, Falls Church, Alexandria, Arlington County, and Prince George's County, Maryland to its east, Charles County, Maryland to its southeast, Prince William County to its southwest, and Loudoun County to its northwest.

Washington Dulles International Airport (/ˈdʌlɪs/ DUL-iss) (IATA: IAD, ICAO: KIAD, FAA LID: IAD) – commonly known simply as Dulles Airport – is an international airport serving the United States's capital city, Washington, D.C. and its surrounding area. It is located 26 miles (42 km) west of downtown Washington, D.C., in Loudoun and Fairfax counties in Northern Virginia.

Opened in 1962, the airport is named after John Foster Dulles, an influential secretary of state during the Cold War who briefly represented New York in the United States Senate. Operated by the Metropolitan Washington Airports Authority, Dulles occupies 13,000 acres (20.3 sq mi; 52.6 km); IAD ranks third in the United States in terms of land area, after Denver International Airport and Dallas Fort Worth International Airport. The "striking" and "iconic" Eero Saarinen-designed Main Terminal received vast acclaim for its innovative architecture when it was completed and has gone on to win numerous awards.

In the United States, Southern Unionists were white Southerners living in the Confederate States of America and the Southern Border States opposed to secession. Many fought for the Union during the Civil War. These people are also referred to as Southern Loyalists, Union Loyalists, or Lincoln's Loyalists. Pro-Confederates in the South derided them as "Tories" (in reference to the pro-Crown Loyalists of the American Revolution). During Reconstruction, these terms were replaced by "scalawag" (or "scallywag"), which covered all Southern whites who supported the Republican Party.

Tennessee (especially East Tennessee), Kentucky, Maryland, Missouri, Delaware, North Carolina, and Virginia (which included West Virginia at that time) were home to the largest populations of Unionists. Other (primarily Appalachian) areas with significant Unionist influence included North Alabama, North Georgia, Western North Carolina, the Texas Hill Country, northern Loudoun County in Virginia, North Mississippi, North Texas, the Arkansas Ozarks, and the Boston Mountains in Arkansas. These areas provided thousands of volunteers for Union military service. Western North Carolinians, for example, formed their own loyalist infantry, cavalry, and artillery regiments, while West Virginians formed a new Union state admitted in 1863.

San Mateo County officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 United States census, the population was 764,442. Redwood City is the county seat, the third-most populated city in the county after Daly City and San Mateo.

San Mateo County is included in the San Francisco–Oakland–Berkeley, CA MSA (metropolitan statistical area), Silicon Valley, and is part of the San Francisco Bay Area, the nine counties bordering San Francisco Bay. As of 2020, it has a median household income of $128,091, the fourth-highest household income of any county in the nation behind Loudoun County, Virginia, Falls Church, Virginia, and Santa Clara County, California.

Leesburg is a town in and the county seat of Loudoun County, Virginia, United States. It is part of both the Northern Virginia region of the state and the Washington metropolitan area, including Washington, D.C., the nation's capital.

European settlement in the area began around 1740, when it was named for the Lee family, early colonial leaders of the town. Located in the far northeast of the state, in the War of 1812 it was a refuge for important federal documents evacuated from Washington, D.C., and in the Civil War, it changed hands several times.

Colonel Thomas Lee (c. 1690 – November 14, 1750) was a planter and politician in colonial Virginia, and a member of the Lee family, a political dynasty. Lee became involved in politics in 1710, serving in both houses of the Virginia General Assembly, and also held important positions as Naval Officer for the Northern Potomac Region and agent for the Northern Neck Proprietary. After his father died, Lee inherited thousands of acres of land as well as enslaved people in then-vast Northumberland and Stafford Counties in Virginia as well as across the Potomac River in Charles County, Maryland. These properties were developed as tobacco plantations. Northumberland County was later subdivided, so some of Lee's properties were in present-day Fairfax, Fauquier, Prince William, and Loudoun counties and counties in the present-day Northern Neck of Virginia.

When Lee married Hannah Harrison Ludwell in 1722, he benefited from the connections of the already established Harrison family of Virginia. A year later, he would become a member of the House of Burgesses. Arson destroyed Lee's home, he used money from Caroline of Ansbach and Britain to build Stratford Hall overlooking the Potomac River. Four years later, in 1733, he was appointed to the Governor's Council, the upper house of the General Assembly. In 1747, he founded the Ohio Company of Virginia with fellow Virginian colonists who wished to expand Virginia's territory into the Ohio River Valley. For less than a year, in 1749 until his death in 1750, Lee served as the de facto royal governor of Virginia in place of the absent William Gooch.