Burton-on-Trent, United Kingdom
The Burton union system comes into use
A linked array of oak casks that continuously separated yeast from fermenting beer, and a large part of the character of Burton pale ale.
1830–1860
Why it matters
One of the few fermentation systems distinctive enough to be credited with a regional flavour, and now nearly extinct.
How well this is established
| Certainty | Well attested. Broadly agreed across sources, though the precise dating or detail may vary between them. |
|---|---|
| When | 1830–1860. Recorded as a period rather than a date because it happened over time. |
| Where | Burton-on-Trent, United Kingdom |
Styles this shaped
Traditions
- Burton pale ale brewing — The nineteenth-century Staffordshire pale ale trade built on gypsum-rich well water, high hopping rates and export-stable beer.
Either side of this
← 1820: Baltic brewers ferment export porter as a lager · 1839: The railway reaches Burton upon Trent →
See the whole sequence on the beer history timeline.
Last reviewed 2026-08-16.