United States Postmaster General

Historical eventSeptember 221789

United States Postmaster General

The office of United States Postmaster General was formally established.

In context

When
Tuesday, September 22 1789237 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
18th century · 1780s
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 1789.

What happened

The office of United States Postmaster General was formally established.

September 22 through the years

Other entries on the same calendar day, in order.

  1. 1789United States Postmaster General
  2. 1993Big Bayou Canot rail accident
  3. 1993Tugboat
  4. 1994Nordhordland Bridge
  5. 1995Nagarkovil school bombing
  6. 19951995 Alaska Boeing E-3 Sentry accident
  7. 2003Dolphin (emulator)
  8. 2006Maglev
  9. 2013Insurgency in Khyber Pakhtunkhwa
  10. 2013Peshawar church bombing
  11. 2024Anura Kumara Dissanayake

Also in 1789

  • September 11Alexander HamiltonAlexander Hamilton (pictured), co-writer of The Federalist Papers, became the first U.S. Secretary of the Treasury.
  • May 4Boydell Shakespeare GalleryThe Boydell Shakespeare Gallery, part of a cultural project initiated by engraver John Boydell, opened in London.
  • July 11French RevolutionFrench Revolution: Jacques Necker was dismissed as Director-General of Finances of France, sparking public demonstrations in Paris that l…
  • October 5French RevolutionFrench Revolution: Upset about the high price and scarcity of bread, thousands of Parisian women and allies marched (pictured) on the Pal…
  • December 11University of North Carolina at Chapel HillThe University of North Carolina at Chapel Hill (structure pictured), one of the oldest public universities in the United States and the…
  • August 28William HerschelWith the first use of his 1.2-metre (3.9 ft) telescope, then the largest in the world, William Herschel discovered a new moon of Saturn,…
  • October 24Brabant RevolutionThe Brabant Revolution, sometimes considered to be the first expression of Belgian nationalism, began with the invasion of the Austrian N…
  • January 23John Carroll (archbishop of Baltimore)Bishop John Carroll purchased a plot of land that would become the home of the future Georgetown University, the oldest Catholic universi…

Everything we record for 1789 →

Sources

Cite this page

“United States Postmaster General”, What's On This Date, https://whatsonthisdate.com/app/event/united-states-postmaster-general-1789-september-22, accessed October 25, 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 United States Postmaster General happen?

September 22 1789 — 237 years ago, on a Tuesday.

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.

Text adapted from Wikipedia under CC BY-SA 4.0 and from Wikidata (CC0). Images come from Wikimedia Commons; credit and licence are shown with each image. Editorial entries are © What's On This Date. Sources & licensing · How this site works.