Blog

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

The Augustus of Prima Porta, a Roman marble statue created c. AD 15, found at the Villa of Livia, now in the Vatican Museums

Father of the Fatherland

Feb 5, 2026 By Andy Barca

On 4 February 2 BC, the Roman Senate hailed Augustus as Pater Patriae — Father of the Fatherland. He had been ruling Rome for thirty years. He wept.

The Battle of Diu, 1509

Portugal's Ocean

Feb 3, 2026 By Andy Barca

On 3 February 1488, Bartolomeu Dias landed at Mossel Bay after rounding the Cape of Good Hope. Twenty-one years later to the day, Portuguese cannon settled who would rule the Indian Ocean.

Charles I on horseback

The King Ascends

Feb 2, 2026 By Andy Barca

On 2 February 1626, Charles I was crowned at Westminster Abbey. His reign ended on a scaffold — and began the slow, violent invention of parliamentary democracy.

Ayatollah Ruhollah Khomeini disembarks from the airplane in Mehrabad Airport

The Homecoming

Feb 1, 2026 By Andy Barca

On 1 February 1979, Ayatollah Khomeini flew home from Paris and Iran changed for ever. Forty-seven years later, the regime he built is under more pressure than at any point since. It may not matter.

Harold Godwinson enthroned as King of England, from the Bayeux Tapestry, c. 1070–1080

The Last Saxon King

Jan 6, 2026 By Andy Barca

On 6 January 1066, Harold Godwinson was crowned King of England in Westminster Abbey, the day after Edward the Confessor died. Nine months and eight days later, he was dead at Senlac Hill, and England would never speak the same language again.

Shah Jahan receiving the submission of Jujhar Singh Bundela, painted by Bichitr, c. 1630, Chester Beatty Library

King of the World

Jan 5, 2026 By Andy Barca

On 5 January 1592, Shah Jahan was born in Lahore. He would build the most recognisable building on earth, preside over a quarter of global GDP, and spend his final eight years imprisoned in a tower with a direct view of the monument he had raised for his dead wife.

Portrait of Isaac Newton by Godfrey Kneller, 1689

The Last Magician

Jan 4, 2026 By Andy Barca

On 4 January 1643, Isaac Newton was born in a hamlet in Lincolnshire - a premature, posthumous child who would go on to invent calculus, write the greatest physics book ever published, and spend thirty years looking for the philosopher's stone.

Sketch of HMS Clio, the brig-sloop that reasserted British sovereignty over the Falkland Islands in 1833, drawn aboard by Cmdr. William Farrington, c. 1812

The Periodic Claim

Jan 3, 2026 By Andy Barca

On 3rd January 1833, Captain James Onslow sailed HMS Clio into Port Louis and told the Argentine commander to take down his flag and leave. It was not the first time someone had done this, and it would not be the last.

The Surrender of Granada, by Francisco Pradilla Ortiz, 1882 — Boabdil surrenders the city to Ferdinand and Isabella

The Moor's Last Sigh

Jan 2, 2026 By Andy Barca

On 2nd January 1492, Boabdil - the last Sultan of Granada - handed the keys of the Alhambra to Ferdinand and Isabella, ending 781 years of Muslim rule in Iberia. The same year: Jews expelled, Columbus sets sail. One morning opened a very long sequence.