Episode 1 of 2

Announcement of Isolated Metals

When
30 June 1808
Where
Royal Society of London
Part of
Humphry Davy announces isolation of calcium and boron by electrolysis

Davy reported the isolation of barium, calcium, strontium, and magnesium to the Royal Society on 30 June 1808.

During the first half of 1808, Davy conducted electrolysis experiments on alkaline earths. On 30 June 1808, he reported to the Royal Society that he had successfully isolated four new metals, naming them barium, calcium, strontium, and magnium. These findings were subsequently published in the Philosophical Transactions.

Sources

  1. Humphry Davy Wikipedia, revision of 2026-09-27
  2. Royal Society Wikipedia, revision of 2026-09-12

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.