Blog

Blogs, essays, updates, and occasional notes that sit alongside The Butterfly Effect.

Painting of the Venetian victory over the Ottoman fleet at Gallipoli, 29 May 1416

The Lesson of Gallipoli

May 29, 2026 By Andy Barca

On 29 May 1416, a Venetian fleet under Pietro Loredan crushed a larger Ottoman armada off Gallipoli. The battle secured Venetian dominance in the Aegean, but it served as a wake-up call that forced the Ottoman Empire to modernize its navy, starting a 300-year struggle for the Mediterranean.

The Armada Portrait of Elizabeth I, with the English and Spanish fleets in the background

The Sluggish Crusade

May 28, 2026 By Andy Barca

On 28 May 1588, the Spanish Armada set sail from Lisbon, Portugal, bound for the English Channel. King Philip II sent 130 ships and 30,000 men on a holy crusade, convinced that divine favour would override the brutal realities of naval technology, geography, and weather.

Painting of Robert E. Lee surrendering to Ulysses S. Grant at Appomattox Court House, April 1865

The Unfinished Surrender

May 26, 2026 By Andy Barca

On 26 May 1865, the surrender of General Edmund Kirby Smith's Trans-Mississippi Department brought a formal end to the American Civil War. But while the ink dried on the surrender terms, the deep cultural and political fractures of the conflict were only just beginning to define modern America.

Portrait of Antonio José de Sucre, hero of Bolivian independence

The Empire of the Syllogism

May 25, 2026 By Andy Barca

On 25 May 1809, the Spanish Empire began to die of a syllogism. In the university city of Chuquisaca, a group of local lawyers and judges used their legal training to commit a brilliant act of intellectual treason, sparking the Latin American wars of independence.

Portrait of Peter Minuit, director-general of New Netherland

The Greatest Real Estate Deal in History

May 24, 2026 By Andy Barca

On 24 May 1626, Peter Minuit bought Manhattan Island for 60 guilders worth of trade goods — roughly $1,143 in today's money. Donald Trump has been called the world's greatest dealmaker. He was not even close.

Portrait of Girolamo Savonarola

The Prophet Who Tried to Burn the Renaissance

May 23, 2026 By Andy Barca

On 23 May 1498, Girolamo Savonarola was hanged and burned in Florence. His rise as a democratic theocrat and his fall under a corrupt pope expose the dark populist currents of the Renaissance and the birth of modern realpolitik.

Illustration of the death of the Duke of Somerset at the First Battle of St Albans, 1455

The War Nobody Meant to Win

May 22, 2026 By Andy Barca

On 22 May 1455, Richard Duke of York defeated and captured King Henry VI at the First Battle of St Albans, opening thirty years of dynastic warfare. Nobody who fought those wars expected them to produce Henry Tudor, a centralised state, and the English Renaissance.

Painting of the defence of the breach at Saint-Jean-d'Acre, 8 May 1799, by Thomas Sutherland

The General Who Left

May 21, 2026 By Andy Barca

On 21 May 1799, Napoleon Bonaparte abandoned the siege of Acre after two months of failed assaults and retreated to Egypt. Three months later he abandoned his army entirely and sailed for France. In any other era, that would have ended his career.

Colossal statue of Constantine the Great, who convened the Council of Nicaea

The Meeting That Made Christianity

May 20, 2026 By Andy Barca

On 20 May 325, the Emperor Constantine convened roughly 300 bishops at Nicaea to end a theological dispute that was threatening imperial unity. The creed they drafted is still recited in churches today. The argument they tried to close took another fifty years to resolve.

Portrait of Anne Boleyn

The Queen Who Cost England Its Church

May 19, 2026 By Andy Barca

On 19 May 1536, Anne Boleyn was beheaded on Tower Green for crimes everyone knew she had not committed. The execution cleared a path for Jane Seymour, but the real inheritance was a bastard daughter who would rule England for forty-five years.