The Secret Communication Network of the Mongol Empire — Fexingo History

The Yam's Rival Post: Mamluk Barid vs Mongol Yam

5 min · 9. juli 2026
episode The Yam's Rival Post: Mamluk Barid vs Mongol Yam cover

Description

The Mongol Yam postal network was the fastest communication system of the 13th century. But it had a fierce rival: the Mamluk Sultanate's barid. In this episode, Lucas and Luna explore how the Mamluks built a postal intelligence network that deliberately countered the Mongol system. We trace the barid's origins to the pre-Islamic Arabian post and its Umayyad and Abbasid predecessors, then focus on its transformation under Sultan Baybars (r. 1260-1277). Baybars not only expanded the barid across Syria and Egypt but also used carrier pigeons, planted double agents in Mongol territory, and intercepted Yam dispatches. The episode contrasts the two systems: Mongol speed over distance (the Yam's relay horses) versus Mamluk security and deception (pigeons, spies, and cryptographic measures). Key figures include Baybars, the historian al-Umari (who wrote about the barid), and the Mongol Ilkhanid vizier Rashid al-Din, whose own writings reveal how the Mamluks penetrated the Yam. We also examine a curious 1272 letter from Baybars to the Ilkhan Abaqa, likely a disinformation ploy. The episode ends with the barid's legacy as a model for later Ottoman and Safavid postal systems. #MamlukBarid #Baybars #MongolYam #Ilkhanate #CarrierPigeons #PostalHistory #MedievalSpies #al-Umari #RashidalDin #Abaqa #Cairo #Damascus #Syria #Egypt #13thCentury #History #FexingoHistory #CentralAsia Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

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All episodes

159 episodes

episode The Yam's Tax Revolt: How Mongol Postal Burdens Sparked Uprisings artwork

The Yam's Tax Revolt: How Mongol Postal Burdens Sparked Uprisings

The Mongol Yam postal system was the empire's circulatory system, but its enormous cost—horses, grain, labor—fell on local communities. In this episode, Lucas and Luna explore the hidden ledger of resentment: the corvée duties, the requisition quotas, the bribery and extortion that turned the Yam into a flashpoint for rebellion. From the 13th-century peasant uprisings in northern China to the tax revolts that weakened the Ilkhanate, they trace how a system designed for control bred the very chaos it was meant to suppress. Drawing on the Yuan shi, Rashid al-Din's Jami' al-tawarikh, and Juvayni's chronicles, they examine specific rebellions in Hebei and Khorasan, the role of corrupt yamchi, and the reforms attempted by Khubilai and Ghazan. A story of unintended consequences: how the world's greatest communication network became a catalyst for its own collapse. #MongolEmpire #Yam #PostalSystem #TaxRevolt #YuanDynasty #Ilkhanate #KhubilaiKhan #GhazanKhan #YuanShi #RashidAlDin #Juvayni #PeasantUprising #Corvee #Khorasan #Hebei #FexingoHistory #History #CentralAsia Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

15. juli 20269 min
episode The Yam's Forgotten Women Spies of the Mongol Post artwork

The Yam's Forgotten Women Spies of the Mongol Post

In this episode, Lucas and Luna uncover a hidden chapter of Mongol intelligence: the women who served as spies and couriers within the Yam system. Drawing on the Yuan shi and The Secret History of the Mongols, they explore the story of Khutulun, the wrestling princess who commanded postal routes, and lesser-known female yamchi who gathered gossip and monitored officials. They discuss how Mongol women, unlike their sedentary counterparts, enjoyed mobility and influence, and how the empire leveraged this for surveillance. The conversation also touches on the paiza credentials that some women held, the role of khatuns like Töregene in managing postal networks during regencies, and the eventual loss of women's roles as the Yam became more bureaucratic. A rarely told perspective on the Mongol Empire's secret communications. #MongolEmpire #Yam #WomenSpies #Khutulun #YuanShi #SecretHistoryOfTheMongols #Paiza #FemaleCouriers #Töregene #MongolWomen #SteppeHistory #Intelligence #CentralAsia #13thCentury #Khanbalik #History #FexingoHistory #Podcast Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

Yesterday4 min
episode The Yam's Baggage Train: Mongol Postal Supply Logistics artwork

The Yam's Baggage Train: Mongol Postal Supply Logistics

In this episode, Lucas and Luna explore the unseen backbone of the Mongol Empire's Yam postal system: the supply logistics that kept thousands of riders and horses fed, equipped, and moving across the steppe. Drawing on the Yuan shi, Marco Polo's accounts, and the Jami' al-tawarikh, they reveal how the empire managed grain depots, fodder allocations, and livestock rotation at relay stations from Karakorum to Khanbalik. The discussion zeroes in on the practical challenges of provisioning a network that stretched 25,000 miles, including the role of local communities in tax obligations known as alban, the use of camels in arid zones, and the specialized yamchi handlers who maintained remounts. Lucas connects these supply chains to broader Mongol statecraft—how Ögedei Khan's edicts standardized station resources, and how Khubilai Khan's reforms introduced civilian contractors. The episode also touches on the lesser-known 'baggage yam' (aghtachi) that moved heavy goods, and the ecological impact of grazing demands on the steppe. #MongolEmpire #YamPostalSystem #SupplyLogistics #YuanShi #MarcoPolo #JamiAltawarikh #OgedeiKhan #KhubilaiKhan #yamchi #aghtachi #SteppeLogistics #MongolHorses #CentralAsiaHistory #Karakorum #Khanbalik #FexingoHistory #History #MongolPostalRelay Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

Yesterday7 min
episode The Yam's Last Ride: How the Mongol Postal System Outlived the Empire artwork

The Yam's Last Ride: How the Mongol Postal System Outlived the Empire

The Mongol postal system, the Yam, is famous as the empire's circulatory system, but what happened to it after the Mongol Empire fragmented? In this episode, Lucas and Luna trace the Yam's surprising afterlife across Asia. They explore how the Timurids revived the Yam in Central Asia, with Tamerlane using it to project power from Samarkand. In China, the Ming dynasty under the Hongwu Emperor adopted the Yuan postal network wholesale, renaming it the Yizhan and extending it to the southern coast. The Mughals in India, founded by Babur who claimed descent from both Timur and Genghis Khan, established their own version, the Dak Chowki, which later evolved into the British Raj's postal system. Lucas discusses the Russian Empire's adaptation, the Yamskaya povinnost, which endured until the 19th century and gave its name to hundreds of Russian towns. The episode also touches on the Safavids and the Ottomans, who hybridized the Yam with their own traditions. By the end, the listener understands that the Yam didn't truly collapse—it dispersed, mutated, and merged into the postal DNA of half the world. #MongolPostalSystem #Yam #TimuridEmpire #MingDynasty #MughalEmpire #RussianEmpire #Tamerlane #Hongwu #Babur #YamskayaPovinnost #DakChowki #SilkRoad #PostalHistory #CentralAsia #History #FexingoHistory #EmpireLegacy #GlobalHistory Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

13. juli 20267 min
episode The Yam's Medical Post: How Mongol Riders Carried Plague artwork

The Yam's Medical Post: How Mongol Riders Carried Plague

In this episode of Fexingo History, Lucas and Luna examine a darker chapter of the Mongol Yam network: its unwitting role in the spread of the Black Death. Drawing on the work of historian Philip Ziegler and the Jami' al-tawarikh, they trace how the Yam's swift relay of riders and goods along the Silk Road may have carried Yersinia pestis from the Tian Shan mountains to Crimea. They explore the siege of Caffa in 1346, where Genoese traders fled plague-ridden ships to Venice and Genoa, and examine competing theories about the Yam's part in the pandemic. Did Mongol army catapults deliberately launch plague corpses into Caffa? Or was the Yam simply the efficient conduit for rats and fleas? Lucas and Luna weigh the evidence, from Giovanni Boccaccio's Decameron to the Yuan shi, and consider how the very infrastructure that held the empire together also helped unravel much of Eurasia. #BlackDeath #MongolEmpire #Yam #Plague #Caffa #SilkRoad #YersiniaPestis #Genoese #JamiAlTawarikh #RashidAlDin #YuanShi #Khanbalik #Crimea #Boccaccio #Decameron #MedievalHistory #Epidemiology #FexingoHistory Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

13. juli 20267 min