Premise: Mounira El Mahdeya (born Zakiyya Hassan) (Arabic: منيرة المهدية‎ ‎ ) was an Egyptian singer born in 1885 in Alexandria; she died in 1965. The singer, better known under the nickname of "Sultana of the song" or "The Sultana", was considered to be the leading Egyptian singer between the two wars.
Hypothesis: Mounira El Mahdeya died in 1965 of old age