May 10. On this date in 1943, Argentine Bahá'ís dedicated a memorial at Quilmes Cemetery to May Maxwell, his mother-in-law, who had died in Buenos Aires three years previously.

May 10. On this date in 1943, Argentine Bahá'ís dedicated a memorial at Quilmes Cemetery to May Maxwell, his mother-in-law, who had died in Buenos Aires three years previously.

Two days later, on May 12, Shoghi Effendi cabled...

111-Completion and Dedication of Maxwell Memorial
12 MAY 1943
DELIGHTED COMPLETION DEDICATION MAXWELL MEMORIAL SYMBOLIC ACT NOBLY CONSUMMATED CONVEY BUENOS AIRES ASSEMBLY CONGRATULATIONS GRATITUDE ASSURANCE LOVING PRAYERS SPIRITUAL PARTICIPATION HISTORIC CEREMONY. APPRECIATE PHOTOGRAPHS DEDICATION GATHERING.

Shortly after May Maxwell's death in Buenos Aires, Argentina, on March 1, 1940, plans were made for the construction of a memorial at her gravesite. Designed by her husband, William Sutherland Maxwell, and approved by Shoghi Effendi, the memorial was dedicated on May 10, 1943 by the Bahá'ís of Buenos Aires at Quilmes Cemetery on behalf of the Bahá'ís of North an south America.