The Davison Art Center/Richard Alsop IV House, located at 301 High Street in Middletown, was designated a national historic landmark in January. The site was recognized for its role in U.S. history. The landmark was suggested by the National Park System's advisory board and designated by Interior Secretary Dirk Kempthorne. The historic Alsop House is a distinguished architectural monument of the pre-Civil War period. The lot was acquired in 1835 and the house was built between 1838-1840 by Richard Alsop IV, son of the poet and "Hartford wit," Richard Alsop III. Originally built for Alsop's widowed mother, Maria Pomeroy Alsop…