Editing Loudoun County, Virginia (section)

===20th century===
During [[World War I]], Loudoun County was a major breadbasket for supplying provisions to soldiers in Europe. Loudoun farmers implemented new agricultural innovations such as [[vaccination]] of [[livestock]], seed inoculations and [[ensilage]]. The county experienced a boom in agricultural output, outputting an annual [[wheat]] output of 1.04 million [[Bushel|bushels]] in 1917, the largest of any county in Virginia that year. 1.2 million units of home produce were produced at home, much of which went to training sites across the state such as [[Camp Lee]]. The [[Smith–Lever Act of 1914]] established increased agricultural education in Virginia counties, increasing agricultural yields. After the war, a plaque was dedicated to the "30 glorious dead" from the county who died in the Great War. Five of the thirty died on the front, while the other twenty five died while in training or in other locations inside the United States.<ref>{{cite book |last1=Rainville |first1=Lynn |title=Virginia and the Great War : mobilization, supply and combat, 1914-1919 |date=February 12, 2018 |publisher=McFarland & Company, inc., Publishers |location=Jefferson, North Carolina |isbn=978-1-4766-7192-5 |pages=60}}</ref>

In 1962, [[Washington Dulles International Airport]] was built in southeastern Loudoun County in [[Sterling, Virginia|Sterling]]. Since then, Loudoun County has experienced a high-tech boom and rapid growth. Accordingly, many have moved to eastern Loudoun and become residents of planned communities such as Sterling Park, [[Sugarland Run, Virginia|Sugarland Run]], Cascades, [[Ashburn Village]], and Ashburn Farm, making that section a veritable part of the Washington suburbs. Others have moved to the county seat or to the small towns and rural communities of the Loudoun Valley, which makes up the majority of the county’s area.<ref name="Loudoun Museum"/>