『Seven Continents, One Story』のカバーアート

Seven Continents, One Story

Seven Continents, One Story

著者: SYNTHETIXMIND LTD
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今ならプレミアムプランが3カ月 月額99円

2026年5月12日まで。4か月目以降は月額1,500円で自動更新します。

概要

Seven Continents, One Story is the history podcast built for curious minds who want depth without the boredom and clarity without dumbing things down. Each 30–60 minute episode is a fast-paced adventure through one pivotal moment from Africa, Asia, Europe, North America, South America, Australia/Oceania, or Antarctica. ​ Every episode features a unique 3-persona dialogue: - An expert historian who brings rigorous facts, context, and big-picture insight. - An enthusiastic hobbyist who connects the dots, reacts with genuine wonder, and asks the questions history lovers think but rarely hear. - A sharp, curious teenager who refuses to let jargon or assumed knowledge slide, making sure no listener gets left behind. ​ This Trinity Format turns complex events into gripping conversations that feel more like binge-worthy storytelling than a classroom lecture. You will uncover artefacts, meet unsung heroes, and face “choose your own history” moments where different decisions could have rewritten the story of our world. ​ Across the year, Seven Continents, One Story systematically maps 2,000 years of world history into a structured, continent-by-continent audio library. That means you can: Follow a clear chronological journey through one continent. Jump straight to the moments you care about most, from epic empires to forgotten revolutions. Use episodes as ready-made learning units for study, teaching, or lifelong learning. ​ Powered by cutting-edge AI production and human fact-checking, the show publishes frequently while protecting what matters most: historical accuracy, engaging storytelling, and respect for primary sources. If you are tired of podcasts that are either dry academic lectures or entertaining but sloppy with the facts, this is your new home base for world history. ​ Expect: - 5 fresh episodes per week during core seasons. ​- Stories that connect past and present so you can see why these events still matter today. ​- A consistent, energetic tone that makes it easy to hit “play next” again and again. ​- Dive into 2,000 years of world history, seven continents at a time – and discover how all of it connects back to one unfolding human story.Copyright 2026 SYNTHETIXMIND LTD 世界 社会科学
エピソード
  • NA027 - Great Depression - When the American Dream Collapsed Into Dust
    2026/05/04

    ### Opening Hook

    Black Tuesday. 29 October 1929. 16 million shares traded in a single day—a record that would stand for four decades. In twelve hours, investors lost more money than the United States had spent fighting World War I. The roar of the 1920s fell silent, and the decade-long nightmare of the Great Depression began.

    ### The Story

    Welcome to Sovereign of Cyprus. I'm your narrator, and today we travel to the United States to explore the most severe economic catastrophe in modern industrial history: the Great Depression, spanning from 1929 to 1939.

    Between 1929 and 1933, American industrial production plummeted 47 percent. Real GDP fell 30 percent. Unemployment reached 25 percent—with African American unemployment at approximately 50 percent. The money supply contracted by a third. A quarter of the nation's banks failed.

    But statistics alone cannot convey the human devastation. Mass homelessness manifested in shantytowns derisively named "Hoovervilles." Hundreds of thousands fled the American heartland during the Dust Bowl—an environmental catastrophe that coincided with economic collapse. Families broke apart under psychological strain. Racial discrimination intensified as white Americans claimed jobs previously held by minorities.

    The Depression resulted from a perfect storm of causes: a speculative bubble fuelled by margin buying, the Federal Reserve's catastrophic monetary contraction, the Smoot-Hawley Tariff's destruction of global trade, widespread banking panics, structural weaknesses in income distribution, and the rigidity of the international gold standard.

    The crisis fundamentally transformed the relationship between American government and its people. President Herbert Hoover's faith in laissez-faire capitalism proved inadequate. President Franklin D. Roosevelt's New Deal represented an unprecedented expansion of federal power—establishing Social Security, federal deposit insurance, and the principle that government bears responsibility for citizens' welfare.

    ### What You'll Discover

    - How the Roaring Twenties created the conditions for collapse

    - Black Thursday, Black Monday, Black Tuesday: the three days that changed everything

    - Why the Federal Reserve's policy errors transformed recession into depression

    - The Bonus Army march and the violent dispersal that shocked America

    - FDR's First Hundred Days and the birth of the modern American state

    - The Dust Bowl exodus: environmental catastrophe meets economic collapse

    - How the Depression contributed to the rise of Adolf Hitler

    ### Why It Matters

    The Great Depression remains the crucial reference point for policymakers confronting financial crises. It taught stark lessons about the dangers of monetary contraction, banking system collapse, and policy passivity.

    But it also taught something more fundamental: that unregulated capitalism can fail catastrophically, and that government bears responsibility for protecting citizens from the worst consequences of economic breakdown.

    The regulatory framework, social safety net, and governmental responsibilities established during the Depression continue to shape American life today. Understanding this decade means understanding the origins of modern America.

    ### Timestamps

    00:00 - Introduction: Black Tuesday

    04:18 - The Roaring Twenties: Prosperity Built on Sand

    12:44 - The Crash: October 1929

    21:30 - Why the Depression Happened: Six Fatal Mistakes

    32:15 - Banking Panics: When the System Collapsed

    41:08 - Hoover's Response: Rugged Individualism Fails

    50:33 - The Bonus Army: Veterans March on Washington

    59:20 - The 1932 Election: A Political Realignment

    1:08:45 - FDR's First Hundred Days: Emergency Action

    1:17:30 - The New Deal: Relief, Recovery, Reform

    1:26:14 - The Dust Bowl: Environmental Catastrophe

    1:35:00 - Human Cost: Hoovervilles, Hunger, and Homelessness

    1:44:22 - African Americans and the Depression: Double Crisis

    1:53:08 - Global Impact: From Trade Collapse to Hitler's Rise

    2:02:15 - Legacy: What the Depression Taught America

    2:11:30 - Conclusion: Why We Must Remember

    ---

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    33 分
  • AS014 - Gupta Golden Age - When India Invented Zero and Reshaped the World
    2026/04/27

    ### Opening Hook

    What if I told you that one of humanity's most important inventions came not from ancient Greece, not from Renaissance Europe, but from India? The number zero. The decimal system. The calculation that the Earth rotates on its axis—all discovered during a single golden age that most people in the West have never heard of.

    ### The Story

    Welcome to Sovereign of Cyprus. I'm your narrator, and today we travel to the Indian subcontinent to explore one of history's most transformative civilisations: the Gupta Empire, spanning from approximately 320 to 550 CE.

    For over two centuries, the Gupta dynasty unified much of the Indian subcontinent, creating a period of peace, prosperity, and intellectual flowering that scholars call the "Golden Age of India." This was not mere political consolidation—it was an unprecedented concentration of human creative capacity that would profoundly influence global knowledge systems for centuries to come.

    The Gupta era witnessed revolutionary advances in mathematics—including the discovery of zero as a number. Astronomers calculated the Earth's circumference with remarkable accuracy, proposed that the Earth rotates on its axis, and determined the value of pi to four decimal places. Literary masterpieces were composed in Sanskrit that remain canonical texts today. Architects and sculptors created works that defined classical Indian aesthetics for millennia.

    The reign of Chandragupta II, known as Vikramaditya or "sun-like," represented the apex of Gupta achievement. His court assembled the legendary "Navratna"—the Nine Jewels—comprising preeminent scholars and artists whose contributions spanned literature, mathematics, astronomy, medicine, and statecraft. The poet Kalidasa, the astronomer Varahamihira, the mathematician Aryabhata—all flourished under Gupta patronage.

    Yet this golden radiance proved ephemeral. By the late fifth century, internal fragmentation, invasions by the White Huns from Central Asia, and economic strain precipitated the empire's gradual dissolution. The political structure collapsed—but the legacy endured. The mathematical and astronomical foundations laid during this period travelled westward through Islamic scholars, fundamentally reshaping European intellectual traditions.

    ### What You'll Discover

    - How the Gupta Empire unified India after five centuries of fragmentation

    - The discovery of zero and the birth of the decimal system

    - Aryabhata's calculation that the Earth rotates on its axis—1,000 years before Copernicus

    - The legendary court of the Nine Jewels: scholars, poets, and scientists

    - Kalidasa's literary masterpieces that define Sanskrit literature

    - How White Hun invasions ended the golden age

    - Why Gupta achievements travelled westward to transform European mathematics

    ### Why It Matters

    The Gupta Golden Age produced innovations that literally changed how humanity thinks. The decimal system with zero is not merely a mathematical curiosity—it is the foundation of modern computation, science, and engineering. Every time you use a computer, you rely on a system invented in Gupta India.

    Yet this story remains largely unknown in the West. History textbooks celebrate ancient Greece and Rome whilst largely ignoring the parallel achievements of Indian civilisation. Understanding the Gupta Golden Age means understanding the global nature of human intellectual progress—and recognising that genius flourishes in many places, not just the ones we're taught to celebrate.

    ### Timestamps

    00:00 - Introduction: The Number That Changed Everything

    04:22 - Before the Guptas: Five Centuries of Fragmentation

    12:45 - Chandragupta I: Founding an Empire

    21:18 - Samudragupta: The Napoleon of India

    30:33 - Chandragupta II Vikramaditya: The Golden Age Begins

    39:50 - The Navratna: Nine Jewels of the Imperial Court

    48:14 - Aryabhata: Mathematician Who Calculated the Cosmos

    57:30 - The Discovery of Zero: How India Invented Modern Mathematics

    1:06:45 - Varahamihira: Astronomer Who Knew the Earth Rotates

    1:15:20 - Kalidasa: The Shakespeare of India

    1:24:08 - Art, Architecture, and Aesthetic Innovation

    1:33:00 - Daily Life in Gupta India: Prosperity and Its Limits

    1:41:45 - The White Hun Invasions: Storm from the Northwest

    1:50:30 - The Empire Falls: How the Golden Age Ended

    1:59:15 - Legacy: How Gupta Knowledge Transformed the World

    2:08:00 - Conclusion: Why This Story Matters

    ---

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    43 分
  • EU016 - Magna Carta Signed - The Day a King Was Forced to Bow Before the Law
    2026/04/20

    ### Opening Hook

    Picture a meadow beside the River Thames on a cool June morning in 1215. Tensions run high as armed barons face their king across the negotiating table. In a few hours, the monarch will seal a document that fundamentally changes the relationship between ruler and ruled—and its ripples will be felt for eight centuries.

    ### The Story

    Welcome to Sovereign of Cyprus. I'm your narrator, and today we travel to Runnymede, England, where one of history's most consequential documents was born not from wisdom or benevolence, but from desperation, rebellion, and the iron will of men who had simply had enough.

    King John of England was, by nearly all accounts, a disaster. He had lost the vast French territories inherited from his brother Richard the Lionheart. He had taxed his barons into poverty to fund failed military campaigns. He had ruled through arbitrary imprisonment, extortionate fines, and the systematic exploitation of feudal law. By 1215, England's most powerful nobles had reached their breaking point.

    What followed was a high-stakes drama involving a treacherous king, an archbishop who became the charter's architect, and a coalition of barons who did the unthinkable—they forced their anointed sovereign to accept written limitations on his power.

    But here's what makes this story truly remarkable: the Magna Carta failed. Within weeks, King John had convinced the Pope to declare it null and void. Civil war erupted. John died the following year. And yet, this "failed" document became the foundation of constitutional law, inspiring everyone from the American Founding Fathers to modern human rights advocates.

    ### What You'll Discover

    - How King John lost an empire and alienated his entire baronage

    - The brilliant archbishop who drafted the charter's most revolutionary clauses

    - Why the charter's famous "security clause" was both its greatest innovation and its death warrant

    - How a document that was immediately annulled became the most celebrated legal text in English history

    - The three key principles that survived from 1215 to influence modern constitutions

    - The unsung royal clerk who ensured Magna Carta wasn't just another forgotten promise

    ### Why It Matters

    The Magna Carta established something revolutionary: the principle that no one, not even a king, is above the law. Its famous clauses 39 and 40 guaranteeing due process and swift justice became the bedrock of Anglo-American jurisprudence. The US Constitution's Fifth Amendment, the Universal Declaration of Human Rights, and countless modern legal protections trace their lineage to that meadow beside the Thames.

    But Magna Carta also teaches us that principles alone aren't enough. The charter survived not because it was brilliantly written, but because it was reissued, revised, and fought over across generations. Its legacy reminds us that liberty is never secured once and for all—it must be constantly defended, reinterpreted, and renewed.

    ### Timestamps

    00:00 - Introduction: The Revolutionary Meadow

    03:24 - King John: The Monarch Who Lost Everything

    12:18 - Archbishop Stephen Langton: The Scholar Who Changed History

    21:45 - The Articles of the Barons: Demands That Shaped a Nation

    34:02 - Runnymede, 15 June 1215: The Day the King Bowed

    42:33 - The Security Clause: The Innovation That Doomed the Charter

    51:20 - The Charter Annulled: Pope Innocent III's Intervention

    58:14 - The First Barons' War: When Peace Failed

    1:05:30 - John's Death and the Charter's Revival

    1:12:45 - The Three Principles That Changed the World

    1:21:08 - Legacy: From Runnymede to Modern Constitutions

    1:28:33 - The Unsung Hero: The Royal Clerk Who Preserved History

    1:35:20 - Conclusion: Why Magna Carta Still Matters

    ---

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    31 分
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