 STRASBURG, Va., Feb. 11, 2021 GLOBE NEWSWIRE -- The Board of Directors of First National Corporation Nasdaq: FXNC declared a quarterly cash dividend of 0.12 per share on February 10, 2021. This was a 9 increase compared to the quarterly dividend paid on December 29, 2020. The dividend is payable on March 12, 2021 to shareholders of record as of February 26, 2021. 