Historic Wedding Celebration. 11 a.m.-4 p.m. on Saturday, 1-4 p.m. on Sunday and 11 a.m.-1 p.m. on Tuesday at the Arlington House, 321 Sherman Drive, Fort Myer. In honor of the 184th wedding anniversary of of Robert E. Lee and Mary Anna Randolph Custis, The National Park Service is hosting three days of educational events about wedding customs and traditions. The wedding will be reenacted on June 30. Admission is free. Visit www.nps.gov for more.