Abu Abdallah al-Shi'i was an Isma'ili Shi'i missionary from Kufa who spent nearly two decades, starting in 893, living among the Kutama Berbers of North Africa's Kabylie highlands, earning their trust before ever asking them to fight. Ubayd Allah al-Mahdi was the man that mission was built around, the claimant descended from the Prophet Muhammad (peace be upon him) through his daughter Fatima and Ali ibn Abi Talib, who would become the first Fatimid caliph without ever leading a single battle.

This episode covers the founding of the Fatimid dynasty from Abu Abdallah's recruitment of the Kutama at the Hajj through the seven-year campaign that toppled the Aghlabids in 909, al-Mahdi's imprisonment and release at Sijilmasa, his proclamation as caliph in 910, and his execution of the man who had built his throne the following year. It then jumps sixty years to 969, when the Fatimid general Jawhar al-Siqilli, a formerly enslaved commander known as "the Sicilian," led an army of up to two hundred thousand men and a fortune in gold into Egypt, negotiated a peaceful surrender with the Ikhshidid delegation instead of sacking the capital at Fustat, and began laying the foundations of the city that would become Cairo.

The two halves of the story mirror each other: one man who built a dynasty and was destroyed by it, and one man who conquered a country and chose not to destroy it. Both are part of the same question about what power owes the people who hand it over.

Sources include the classical chronicles of al-Qadi al-Nu'man, al-Maqrizi, al-Tabari, Ibn Khallikan, and al-Nuwayri, alongside modern scholarship from Firas Alkhateeb's Lost Islamic History and the Institute of Ismaili Studies.

Content Warning: This episode includes a brief, non-graphic reference to a political execution.

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Bayezid I, known as Yildirim, "the Thunderbolt," was the fourth ruler of the House of Osman and the most powerful the family had produced: he crushed a European crusade at Nicopolis in 1396, blockaded Constantinople for years, and annexed most of the independent Turkish beyliks of Anatolia. In July 1402, on a plain outside Ankara, that empire collapsed in an afternoon.

This episode closes out the four-part series on the House of Osman's first hundred years by covering the Battle of Ankara, where thousands of Bayezid's own newly conquered cavalry defected mid-battle to the invading army of Timur, and the eleven-year Ottoman civil war that followed among Bayezid's sons. It draws on Ibn Khaldun's own account of the month he spent in Timur's camp the year before the battle, on the sharply conflicting Damascene and Persian chronicles of Bayezid's captivity, and on modern scholarship examining what actually held the dynasty together when it had every reason to fall apart.

The story sits alongside a real historical puzzle: Timur had the power to dismantle the Ottoman state entirely and chose to go home instead, and no rival house ever stepped in to claim the throne while Bayezid's sons fought each other for over a decade. Sources consulted include Ibn Khaldun's autobiography, Ibn Arabshah's Ajaib al-Maqdur fi Nawaib Timur, the Zafarnama of Sharaf al-Din Ali Yazdi, and modern studies by Dimitris Kastritsis, Colin Imber, and Halil Inalcik.

Content Warning: this episode includes descriptions of battlefield death, imprisonment, and the execution of a captured claimant during a dynastic civil war.

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In June of 1389, Sultan Murad of the Ottomans leads his army against a coalition of Serbian and Bosnian lords under Prince Lazar on a plain in Kosovo. By nightfall both commanders are dead, killed in different ways and for different reasons, and Murad's son Bayezid has been acclaimed sultan on the same field where his father fell. Within hours, Bayezid has his own brother, Yakub Celebi, strangled to remove any rival claim to the throne, the opening act of a practice that would later become formal Ottoman succession law.

This episode follows what Bayezid built in the eleven years after that bloody afternoon. He earns the nickname Yildirim, the Thunderbolt, for the speed of his campaigns, and he uses it in three directions at once: he annihilates one of the largest crusading armies Western Europe ever raised at the Battle of Nicopolis in 1396, he blockades Constantinople for the better part of a decade while Byzantine emperor Manuel II tours European courts begging for help that never fully arrives, and he absorbs nearly every remaining independent Turkish principality in Anatolia, including the old and proud beylik of Karaman, into direct Ottoman rule.

That last conquest is the one that matters most for what comes next. The rulers Bayezid dispossessed do not simply disappear. They go east to the court of a conqueror named Timur, carrying grievances and local knowledge that will matter far more to Bayezid's future than anything that happened at Nicopolis or outside the walls of Constantinople. The same policy that made the House of Osman look wise for three generations is about to look very different on a different battlefield.

The episode draws on the earliest Ottoman chronicle tradition, Ahmedi, Asikpasazade, and Nesri, cross-checked against the Byzantine historian Chalkokondyles, the Arab chronicler al-Ayni, a Florentine Senate letter written weeks after Kosovo, and the eyewitness account of Johann Schiltberger, a Bavarian squire captured at Nicopolis, alongside modern scholarship from Halil Inalcik, Colin Imber, Dimitris Kastritsis, and Noel Malcolm.

Content Warning: this episode includes detailed descriptions of battlefield death, assassination, fratricide by strangulation, and the mass execution of prisoners of war.

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If this episode helped you, share it with someone who needs to hear it. Assalamu alaykum, and we'll see you in the next one.