Historical eventApril 281887

Prussian Secret Police

A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé (pictured) was released on the order of William I, German Emperor, defusing a possible war.

Everything on April 28Original source

In context

When
Thursday, April 28 1887139 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
19th century · 1880s
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 1887.

What happened

A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé (pictured) was released on the order of William I, German Emperor, defusing a possible war.

April 28 through the years

Other entries on the same calendar day, in order.

  1. 1887Prussian Secret Police
  2. 1988Aloha Airlines Flight 243
  3. 1988Maui
  4. 1991Space Shuttle Discovery
  5. 1994Central Intelligence Agency
  6. 1996Spree killer
  7. 1996Whitewater controversy
  8. 1996Port Arthur massacre
  9. 1999Taber, Alberta
  10. 2004CBS News
  11. 2008Trump International Hotel and Tower (Chicago)

Also in 1887

  • September 5Exeter Theatre Royal fireA fire that killed 186 people broke out at the Theatre Royal, Exeter, England.
  • July 26L. L. ZamenhofL. L. Zamenhof (pictured) published Unua Libro, the first publication to describe Esperanto, a constructed international language.
  • June 23Parliament of CanadaThe Parliament of Canada passed the Rocky Mountains Park Act, creating Banff National Park in Alberta as the country's first national park.
  • October 18Johannes BrahmsJohannes Brahms (pictured) conducted the premiere of his Double Concerto, composed for violinist Joseph Joachim and cellist Robert Hausmann.

Everything we record for 1887 →

Sources

Cite this page

“Prussian Secret Police”, What's On This Date, https://whatsonthisdate.com/app/event/prussian-secret-police-1887-april-28, accessed October 28, 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 Prussian Secret Police happen?

April 28 1887 — 139 years ago, on a Thursday.

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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