Snapshot · Lex Fridman Podcast
At its height, inside Constantinople itself, the literacy rate was close to 100%, reflecting the Byzantine Empire's extraordinary emphasis on education and classical culture.
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At 1:43:40 · chapter starts 1:25:55
The east is the most surprising direction the Vikings went, yet it follows the same internal logic: Sweden faces east, so Swedish Vikings went east, using the Volga and Dnieper river systems as highways to the Black Sea, the Caspian, and eventually Constantinople. [1] — Lars Brownworth "While Norwegian Vikings went west and Danes went south, Swedish Vikings went east — using the Volga and Dnieper river systems to reach the …" 1:25:55 The Varangian leader Rurik established the Kievan Rus around Novgorod and Kiev in 862–882 — the political ancestor of modern Russia — and opened trade routes that connected Scandinavian amber and furs with the riches of the Abbasid Caliphate and Byzantium. (A Buddha statuette found in a Swedish coin hoard demonstrates the extraordinary reach of this network.) When Vikings eventually attacked Constantinople, Byzantine Greek fire — a napalm-like substance that burned on contact with air or water and continued to burn underwater — destroyed their fleets on the Sea of Marmara. [2] — Lars Brownworth "After Greek fire destroyed their fleet on the Sea of Marmara, pragmatic Vikings pivoted from enemies to guardians of the Byzantine emperor.…" 1:28:20 In classic Viking fashion, the response to losing was to join: the Varangian Guard, meaning 'men of the oath,' became the Byzantine emperor's most celebrated and feared bodyguard corps, with famous Vikings like Harald Hardrada serving in its ranks. The Knut the Great segment follows, examining the 11th-century North Sea Empire and the famous story of Knut commanding the tide to stop — an act of public humility to shame his sycophantic courtiers.
While Norwegian Vikings went west and Danes went south, Swedish Vikings went east — using the Volga and Dnieper river systems to reach the Black Sea, the Caspian, and ultimately Constantinople. Along the way they founded Novgorod and Kiev, establishing the Kievan Rus, the ancestor of modern Russia.
After Greek fire destroyed their fleet on the Sea of Marmara, pragmatic Vikings pivoted from enemies to guardians of the Byzantine emperor. The Varangian Guard — 'men of the oath' — served Byzantine rulers for centuries, and bored guards even carved Norse runes into the marble balcony of Hagia Sophia.
Norse runes carved by bored Varangian Guards can still be seen on the marble balcony railings inside the Hagia Sophia in Constantinople today.
Lars Brownworth's 12 Byzantine Rulers podcast launched in June 2005, making it one of the first — if not the first — history podcasts ever produced.
In 2005, Lars Brownworth recorded himself explaining Byzantine history to his brother — who then secretly submitted it as a podcast without telling him. By the time Lars found out (while on a dig in Petra), listeners were already demanding episode 2. The history podcast genre was born by accident.
At its peak under Basil II, Constantinople had near-100% literacy and courtiers who memorized Plato. But when Basil died, his bureaucracy decided it didn't need a strong emperor — and deliberately chose weak rulers. The disastrous Battle of Manzikert in 1071 followed, and the empire never recovered its Anatolian heartland.
The Battle of Manzikert in 1071, where Seljuk Turks defeated the Byzantine army, was the decisive event that set the empire on an irreversible trajectory toward collapse by stripping it of Anatolia.
By his own account, Giacomo Casanova slept with over 120 women and contracted venereal disease 11 times — a life of extreme aesthetic indulgence that ended in total isolation.
Joel de la Garza noted that the CISO role is a relatively recent invention, with Steve Katz widely credited as the first-ever CISO.
Superficial adoption of electricity gave factories only 6% efficiency gains; fully redesigning factories around it delivered a 3x productivity improvement that powered 20th-century US growth.
Harold Ramis recounted that during Caddyshack filming, storms kept the cast cooped up in a Florida hotel for days, during which they partied and did drugs all day and night.
In the 1820s, China accounted for 25% of global economic output, making it the world's largest economic machine — a historical precedent for its current AI superpower ambitions.
66 Americans held hostage at the US Embassy in Iran were released after 444 days, within hours of Reagan's inauguration.
In the first round of the secret arms deal, 508 TOW missiles were transferred from Israel to Iran in exchange for hostage releases.
America secretly transferred 2,000 missiles and missile parts to Iran across 8 separate shipments over just over a year.
Despite all the missile sales, only 3 of the 7 American hostages held by Lebanese terrorists were ultimately released.
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