Historical eventNovember 301803

Balmis Expedition

An expedition led by Francisco Javier de Balmis departed A Coruña, Spain, with the aim of vaccinating millions in South America and Asia against smallpox.

Everything on November 30Original source

In context

When
Wednesday, November 30 1803223 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
19th century · 1800s
Recorded from
Wikipedia “On this day” feed

Russia, Greece and some other countries used the Julian calendar into the early 20th century, so local records may show a date up to 13 days earlier.

At a glance

Dates: From 1803.

What happened

An expedition led by Francisco Javier de Balmis departed A Coruña, Spain, with the aim of vaccinating millions in South America and Asia against smallpox.

November 30 through the years

Other entries on the same calendar day, in order.

  1. 1803Balmis Expedition
  2. 1999ExxonMobil
  3. 1999British Aerospace
  4. 2000STS-97
  5. 2004McDonnell Douglas MD-80
  6. 2005John Sentamu
  7. 2007Atlasjet Flight 4203
  8. 20182018 Anchorage earthquake
  9. 20212021 Oxford High School shooting
  10. 2021Barbados
  11. 2022ChatGPT

Also in 1803

  • February 24Marbury v. MadisonIn Marbury v. Madison, the Supreme Court declared an act of Congress unconstitutional for the first time, forming the basis of judicial r…
  • April 30Louisiana PurchaseThe United States purchased France's claim to the Louisiana Territory for 80 million francs, or less than US$.03 per acre ($.07/ha).
  • September 23Maratha EmpireMaratha troops were defeated by forces of the British East India Company at the Battle of Assaye, one of the decisive battles of the Seco…
  • April 26L'Aigle (meteorite)Thousands of meteor fragments fell over L'Aigle, France, becoming a milestone in the understanding of meteorites.

Everything we record for 1803 →

Sources

Cite this page

“Balmis Expedition”, What's On This Date, https://whatsonthisdate.com/app/event/balmis-expedition-1803-november-30, accessed October 27, 2026.

Cite the underlying source as well — the source links above go to the record this entry is adapted from.

Questions about this entry

When did Balmis Expedition happen?

November 30 1803 — 223 years ago, on a Wednesday.

Where does this text come from?

Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.

How do I cite this page?

Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.

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