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.

Contemporary engraving of the discovery of the Gunpowder Plot, with Guy Fawkes and barrels beneath the House of Lords.

Remember the Wrong Date

Jan 31, 2026 By Andy Barca

On 31 January 1606, four men - including Guy Fawkes - were dragged on hurdles from the Tower of London to Old Palace Yard, opposite the building they had tried to blow up, and hanged, drawn, and quartered. The famous date is 5 November. The decisive one is this one.

Gerard ter Borch's 1648 painting of the swearing of the peace in Münster (Westphalian peace negotiations).

Eighty Years

Jan 30, 2026 By Andy Barca

On 30 January 1648, in a German town that would give its name to a more famous treaty nine months later, Spain signed a separate peace with the Dutch Republic. The Eighty Years' War ended. Madrid finally admitted, in writing, that it had lost.

Portrait of Bertha Benz, who in 1888 made the first long-distance automobile journey in her husband Karl Benz's Patent-Motorwagen.

Patent No. 37435

Jan 29, 2026 By Andy Barca

On 29 January 1886, Karl Benz filed a patent for a three-wheeled vehicle powered by a gas engine. The machine had no reverse gear, ran on pharmacy solvent, and almost nobody wanted one.

Bayeux Tapestry scene showing Duke William recognised as king; William ordered the Harrying of the North after the 1069 Durham rising.

The Man Who Ignored the Warning

Jan 28, 2026 By Andy Barca

On 28 January 1069, Robert de Comines rode into Durham with a small army despite being told a rebel force was waiting for him. He and most of his men were killed. William the Conqueror's response laid waste to half of England's north and left marks on the land that are still visible today.

Marble portrait bust of Emperor Trajan, who succeeded Nerva in AD 98.

Optimus

Jan 27, 2026 By Andy Barca

On 27 January 98 AD, Nerva died and Trajan became Roman emperor. For centuries after, the Senate greeted every new emperor with the same ritual wish: may you be better than Trajan. He was not without flaws, but the bar he set outlasted the empire itself.