August 17 in strange history

What happened on August 17 in the world of UFOs, monsters and mysteries, plus 81 Canadian UFO sightings.

No famous case or old newspaper story we know of is dated August 17. Yet. Seen something on this date? Report it.

Canadian UFO sightings on August 17

The Canadian UFO Survey logged 81 sightings on August 17 between 1989 and today, most in 2012 (16). Most came from British Columbia, Ontario, Quebec.

2019 · Marieville, Quebec · Close encounter with beings
Photo: encounter with humanoid (pic off pinterest)
2010 · Toronto, Ontario · Close encounter
Glowing light flew by 10 feet from witness?
2013 · Winnipeg, Manitoba · Daylight disc
Rectangular object with red lights hovering with no sound about 100 feet up
2020 · Comox, British Columbia · Daylight disc
"a near miss with an unknown aircraft."
2024 · Longueuil, Quebec · Daylight disc, 2 witnesses
"square or oval" object flew by, stopped, no wings or tail, 90 degree turn, went NW"
2005 · Powell River, British Columbia · Daylight disc
3 lights stationary over hospital, vanished

Source: the Canadian UFO Survey, Ufology Research. Explore every Canadian sighting.

The US Air Force opened 1,178 Project Blue Book files for sightings in August, 1947 to 1969. Browse the Air Force files.