History · Anniversaries
50th anniversary: Solidarity, a Polish trade union, was founded as the first independent labor...
Tue, September 17, 2030
in 4 yr
In 1980, Solidarity, a Polish trade union, was founded as the first independent labor union in an Eastern Bloc country.
Also on Sep 17, 2030
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 50 years (1980 to 2030).
- Recurs
- annual
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- Changes
- 2026-09-25: added to 2030-09-17