Historicfal Markers Learn about the Clarendon Post Office in Historical Markers Video Posted on August 12, 2016 at 4:00 pm. In this week’s episode of Historical Markers, learn about the Clarendon Post Office. Built in 1937, the Arlington Post Office was the first federal building constructed in the County.
Learn about the Clarendon Post Office in Historical Markers Video Posted on August 12, 2016 at 4:00 pm. In this week’s episode of Historical Markers, learn about the Clarendon Post Office. Built in 1937, the Arlington Post Office was the first federal building constructed in the County.