Episode 2 of 2

Renaming to Universal Postal Union

When: 1878
Where: Second Postal Union Congress
Part of: General Postal Union established by the Treaty of Bern

The General Postal Union was renamed the Universal Postal Union in 1878 due to its large membership.

At the second Postal Union Congress in 1878, the organization established by the Treaty of Bern was renamed. Membership had grown rapidly as other countries joined the General Postal Union.

Sources

Treaty of Bern Wikipedia, revision of 2026-05-26
Universal Postal Union Wikipedia, revision of 2026-09-25

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.