[6] In 1961, the church housed members of the Congress of Racial Equality (CORE) to train students as freedom riders in the South and the board of trustees was threatened with legal action by Fairfax County.

The Fairfax County Zoning administrator ordered the training shutdown, including threatening to arrest CORE's leaders.

[8] In 1963, during the March on Washington for Jobs and Freedom, John M. Wells, MVUC's minister at the time, lead the UU group of approximately 1,600 people, including the UUA president Dana McLean Greeley.

"[10] The grounds currently include the meeting house (expanded in 2010s), Hollin Hall itself, a greenhouse, a restored windmill, Carriage House, historic turkey sheds, three-tiered boxwood gardens, formal garden, memorial walks, and open spaces and trees.

[12] In 2007, the church and its property made the local news when The Washington Post featured a story of how a large Paulownia tree was apparently stolen from its grounds, probably on the belief it would be valuable.