April 28. On this date in 1938, Shoghi Effendi sent a cable to the Bahá'ís of the world announcing the passing of his maternal grandmother Munirih Khanum (wife of 'Abdu'l-Bahá) and calling for the suspension of Ridvan festivities. By the time of his death in 1957, Shoghi Effendi had declared all of Munirih Khanum's grandchildren, including all of his siblings and first cousins, Covenant-breakers.

Munirih Khanum with her daughters and some grandchildren.

Munitih Khanum with her daughter Zia and granddaughter Rouhanguise.

April 28. On this date in 1938, Shoghi Effendi sent a cable to the Bahá'ís of the world announcing the passing of his maternal grandmother Munirih Khanum (wife of 'Abdu'l-Bahá) and calling for the suspension of Ridvan festivities. By the time of his death in 1957, Shoghi Effendi had declared all of Munirih Khanum's grandchildren, including all of his siblings and first cousins, Covenant-breakers.

28 April 1938
BAHA'I WORLD MOURNS LOSS HOLY MOTHER MUNIRIH KHANUM STOP RIDVAN FESTIVITIES SUSPENDED. ADVISE ALL CENTRES HOLD MEMORIAL GATHERINGS COMMEMORATE HER OUTSTANDING SERVICES RENDERED DURING ONE OF MOST CRITICAL STAGES IN EVOLUTION BELOVED FAITH.
SHOGHI