50th anniversary: The Progress Party was founded in a movie theater in Oslo, Norway
History · Anniversaries · Sat, April 8, 2023
1973: The Progress Party was founded in a movie theater in Oslo, Norway.
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 50 years (1973 to 2023).
- Recurs
- annual
- Feed
- Subscribe to Anniversaries
- Changes
- None recorded.
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.