From the DC Line:

https://thedcline.org/2020/02/21/the-dc-lineup-for-this-weekend-singing-street-vendors-and-scuba-diving/

10. History: See the pen that President Lyndon B. Johnson used to sign the Civil Rights Act of 1964 and learn how the National Archives of Black Women’s History preserves the history of the civil rights movement. DC Strings Workshop will play a concert before the event, “The Artifact, Archivist, and Activists,” which takes place on Saturday from 2 to 3 p.m. at the Mary McLeod Bethune Council House National Historic Site, 1318 Vermont Ave. NW. Reservations are requested; call 426-5961 or email bethuneNHS@nps.gov.