'Sixty years ago, in the summer of 1963, a four-story townhouse on West 130th Street in Harlem became the headquarters for what was then the largest civil rights event in American history, the March on Washington for Jobs and Freedom.'

https://www.nytimes.com/2023/08/26/nyregion/march-on-washington-harlem.html?action=click&module=Well&pgtype=Homepage&section=New%20York