Denver, CO, USA
A report from Denver, CO in August 1973 described a very large, boomerang-shaped object moving silently and slowly at treetop height from east to west, lasting 3-5 miutes.
Report quality: Moderate49/100
This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.
- No parseable duration on file
- Detailed witness text (171 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1973-08-06
- Where
- Denver, CO, USA
- Shape
- Triangle
- Duration
- 3-5 miutes
- Geo
- 39.739, -104.985 · exact
- Slug
- triangle-over-denver-co-1973-f9142a
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Part of a wave
The Great 1973 Flap
United States, strongest in the Southeast and Midwest
With Blue Book dead, the biggest post-war flap had no official landing place — reports went to police, press, and the new civilian networks (MUFON, founded 1969, came of age here). October 1973 delivered Pascagoula's…
In context
- Denver, CO shows up 317 times across the archive.
- 3 reports came from Colorado in 1973.
- In the 1970s, 7.9% of reports described a triangle — the all-time rate is 9%.
Report
Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.
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