Thirteen lines, no confirmed author, and a thousand years of alchemists who treated it as the charter of their entire art — readable in full, here, in two minutes.

On March 13, 1781, a musician in Bath pointed a homemade telescope at the Twins and found the first new planet since before written history.

Melencolia I holds a perfect 4×4 magic square that signs its own date — 1514 — and the physicians of the age would have read it as medicine.
In December 1603, Jupiter and Saturn met in Sagittarius and opened a new age of fire — and the man watching from Prague followed the mathematics back to Bethlehem.
In 1348, the University of Paris told the King of France — in writing — that the plague began with three planets meeting in Aquarius on March 20, 1345.
Fifteen years before the Great Fire, William Lilly published a woodcut of a city in flames. In 1666, Parliament summoned him to ask how he knew.
On August 12, 2026, the first total solar eclipse over mainland Europe in a generation sweeps from the Arctic to the Spanish coast at evening.
In 7 BC, Jupiter and Saturn met three times in Pisces — and Babylon's astronomers had the whole year computed in advance.
On a June morning in 763 BC, the sun went out over Assyria — and one line in a clerk's ledger became the anchor of ancient history.
The Almanac arrives at each new moon. Leave your name in the ledger.