Series: History of Expos — Article 2 of 86
The Bureau International des Expositions (BIE) now lists the Exhibition of the Works of Industry of All Nations as Expo 1851 London, the first entry in its official register of World Expos. Commonly known as the Great Exhibition, it was held in Hyde Park between 1 May and 11 October 1851. An earlier article in this series covered why Britain staged it. This one examines the event itself: its building, its organisation, what it judged worth a medal and what became of the structure that housed it.
A building unlike any seen before
Joseph Paxton, a gardener who had built large greenhouses for the Duke of Devonshire at Chatsworth, designed a structure of prefabricated cast iron and glass rather than the masonry hall the organisers had originally planned. Fox, Henderson and Co erected it in Hyde Park in under nine months, using roughly 3,330 iron columns and close to 900,000 square feet of glass. Contemporaries nicknamed it the Crystal Palace, and the building itself became as much a talking point as anything inside it: proof that British industry could build as boldly as it manufactured. Its ridge-and-furrow glazing and modular bays, designed for rapid assembly and disassembly, anticipated the temporary, dismantlable architecture that later Expos would make routine.
Ordering the world's industry
Organisers divided exhibits into four sections (raw materials, machinery, manufactures and fine arts), subdivided further into 30 classes, and arranged exhibitors by country within each. Roughly 14,000 exhibitors took part, drawn from Britain, its colonies, and, by the BIE's own account, 25 countries in total; other sources put the number of foreign nations at 13, with British and colonial exhibitors accounted for separately. The discrepancy reflects differing conventions for counting colonial territories rather than a dispute over attendance, but it means any single figure should be read as approximate.
What visitors came to see
The Koh-i-Noor diamond, then the largest known in the world at around 186 carats after its earlier cutting, drew some of the largest crowds, though visitors reportedly found its uncut Indian faceting less dazzling than expected under gaslight. American exhibits, initially mocked in the British press for occupying a nearly empty section of floor, proved among the exhibition's most consequential. Cyrus McCormick's mechanical reaper impressed British agricultural commissioners with its speed against manual harvesting. Samuel Colt's display of revolvers introduced the weapon to the British market and led him to open a factory in London supplying the War Department.
Judging the exhibits
A panel of 318 jurors assessed entries and awarded five classes of medal on the Royal Commissioners' behalf. The Council Medal, the exhibition's highest honour, went to roughly 170 of the 14,000 exhibitors. The Prize Medal recognised a defined standard of workmanship. Unmedalled exhibitors still received an Exhibitor's Medal. Jurors themselves were given a Juror's Medal in recognition of their work. The tiered system, covering nearly every participant in some form, was itself a departure from the more selective prizes of the earlier French national exhibitions.
After the gates closed: Sydenham and its end
The Crystal Palace did not stay in Hyde Park. Dismantled after the exhibition closed, it was rebuilt, enlarged and given two additional transepts on Penge Peak at Sydenham, reopening under Queen Victoria in June 1854; the surrounding area was renamed Crystal Palace after it. It stood there for 82 years until 30 November 1936, when a fire believed to have started in a cloakroom spread rapidly through the building's dry timber flooring and quantities of stored flammable material. Around 100,000 people are reported to have gathered on Sydenham Hill to watch it burn; Winston Churchill, among the crowd, reportedly called it "the end of an age."
A trust that has outlasted the building
The building did not survive, but one of its financial instruments did. The exhibition closed with a surplus of £186,000, and rather than distribute it, the Royal Commission for the Exhibition of 1851 was granted a supplemental charter extending its existence in perpetuity to disburse the profits. Under Prince Albert's guidance, the Commissioners used the money to buy an estate in South Kensington, still informally called "Albertopolis," now home to the Victoria and Albert Museum, the Science Museum, the Natural History Museum, Imperial College and the Royal Albert Hall. Since 1891 the Commission has redeployed its income into postgraduate fellowships rather than buildings, awarding roughly 35 a year in science, engineering and design; its alumni, close to 900 strong, include 13 Nobel laureates. The Commission has never closed, and remains headquartered at Imperial College 175 years on, still funded by an exhibition surplus and still giving money away for the purpose Prince Albert set out in its founding charter.
Still standing, in a manner of speaking
Nothing physical of the Hyde Park building remains on site; plaques near South Carriage Drive mark its former footprint. The Royal Parks, with the augmented-reality developer Seymour & Lerhn, has since built a free smartphone app that reconstructs the Crystal Palace at full scale on that footprint, plus a browser-based virtual tour for those unable to visit. A building demolished in 1936 can, through that reconstruction, still be walked through.
A first Expo, named after the fact
No such term as "World Expo" existed in 1851; the BIE itself was not founded until 1928, and did not begin operating until 1931. The 1851 exhibition's status as Expo 1851, first in the BIE's numbered sequence, is a retrospective classification applied by an organisation that came into being 77 years later, extending its register backwards to the event that had, in practice, established the genre. That register now runs to Expo 2030, whose organisers plan to convert the Wadi Al Sulai site into a lasting district once the Expo closes in March 2031. The Great Exhibition suggests what a legacy commitment of that kind can still look like generations on: a charitable trust still disbursing scholarships, and a vanished building still open, in digital form, to anyone standing where it once stood.
Sources
- Expo 1851 London — Bureau International des Expositions
- 5 things you might not know about Expo 1851 London — BIE
- What was the Great Exhibition of 1851? — London Museum
- The Exhibition — Royal Collection Trust
- The foundation of the V&A's Collections: the Great Exhibition of 1851 — Victoria and Albert Museum
- Medals of the Great Exhibition, 1851 — DCM Medals
- Award Medals of The Great Exhibition of 1851 — Exposition Medals
- Crystal Palace, Sydenham — London Museum
- When London's Iconic Crystal Palace Burned to the Ground — Smithsonian Magazine
- Remembering the Crystal Palace fire of 1936 — The National Archives blog
- The Crystal Palace fire — London Fire Brigade Museum
- History of the BIE — Bureau International des Expositions
- Royal Commission for the Exhibition of 1851 — Wikipedia
- History & Archive — Royal Commission for the Exhibition 1851
- The Great Exhibition Augmented Reality Experience — The Royal Parks
Note: the exhibition closed to the public on 11 October 1851; Prince Albert delivered a closing address at a separate ceremony on 15 October. Exhibitor and country counts vary slightly by source depending on how colonial territories are counted; figures above reflect the BIE's own account where available.