Daventry, town anddistrict, administrative and historic county ofNorthamptonshire,England. Daventry district’s rich, undulating landscape is predominantly rural, with more than 70 parishes. At the heart of the district is historic Daventry town.

Nothing is known of Daventry town beforeDomesday Book (1086), the record of the land survey ordered byWilliam I (the Conqueror), although Borough Hill, east of the town, is the site of an ancient earthwork. Daventry town was incorporated under a royal charter in 1606, and a new royal charter was granted in 1674. During theEnglish Civil Wars, Daventry was the headquarters ofCharles I before theBattle of Naseby (1645) between Royalist and Parliamentarian forces.

Daventry became an important international radio centre after 1925, when theBritish Broadcasting Corporation (BBC) established a high-power, long-wave station on Borough Hill. Thistransmitting station was subsequently augmented with new equipment, and as early as 1932 the BBC had begun regular broadcasting services to the nations of theBritish Empire (later the Commonwealth of Nations) usingshortwave transmitters at Daventry. These facilities were expanded during theCold War era, resulting in a battle for the airwaves in the eastern EuropeanSoviet bloc. The Borough Hill facility was shuttered in 1992, and a lone aerial antenna remained for aircraft navigation purposes.

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The traditional main industry of Daventry was light manufacturing, but the town refocused its development in the early 21st century, endeavouring to become a centre for the sustainable or “green” construction industry. Daventry also functions as a dormitory town for nearbyMidlands cities. The district’s green spaces attract hunters and fishers, and its historic homes provide tourists with a glimpse of 18th- and 19th-centurymanor living. Area district, 256 square miles (663 square km). Pop. (2001) town, 21,731; district, 71,838; (2011) town, 23,879; district, 77,843.