A precise date pinned down for Shahwan founder of the Dahman Shahwan strain

I mentioned earlier that Shahwan of Dahman Shahwan fame was an historical character. I am now happy to report that I found a solid, dated historical reference to this Shahwan in a book by Mamluk-era chronicler Abu al-Mahasin Taj al-Din Abd al-Baqi ibn Abd al-Majid al-Yamani (born in Mecca in 1281 AD — died in Damascus in 1343 AD). The book is called “Bajhat al-Zaman fi Tarikh al-Yaman“, in short, “History of Yemen”. It is a chronicle of historical events in Yemen before and during the time of the author, who appears to have lived at the same time as Shahwan. The mention of Shahwan of ‘Abidah (of Qahtan) occurs in page 95 of the book, under the events of the year 678 Hijri (1279 AD), under the title of “Account of Muzaffar’s takeover of Dhofar, Hadramaut and the city of Shibam“. This Muzaffar is King al-Muzaffar Abu al-Mansur Shams al-Din Yusuf, second king of the Rasulid dynasty of Yemen. Muzaffar ruled Yemen and its dependencies from 1249 to 1295 AD. The account is as follows (my translation from Arabic): “Account of Muzaffar’s takeover of Dhofar, Hadramaut and the city of Shibam: the cause for this was that the warships of Salem son of Idris al-Habudhi…