March 18 in strange history

What happened on March 18 in the world of UFOs, monsters and mysteries, plus 35 Canadian UFO sightings.

No famous case or old newspaper story we know of is dated March 18. Yet. Seen something on this date? Report it.

Canadian UFO sightings on March 18

The Canadian UFO Survey logged 35 sightings on March 18 between 1989 and today, most in 2011 (5). Most came from British Columbia, Quebec, Ontario.

2023 · Winnipeg, Manitoba · Daylight disc
Astronomer sketching Sun saw hexagon-shaped object cross disk
2007 · Jordan, Ontario · Daylight disc, 4 witnesses
Object hovered over jet, descended, flew over trees
2014 · Alton, Ontario · Daylight disc
Shadow the length of a road passed overhead
2015 · Fort St. James, British Columbia · Daylight disc
Unusual looking cloud in sky with blinking light at top
2010 · Victoria, British Columbia · Daylight disc, 2 witnesses
Object like "flying V of geese"
2010 · Farnham, Quebec · Daylight disc
Suspicious helicopters(?)

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

The US Air Force opened 792 Project Blue Book files for sightings in March, 1947 to 1969. Browse the Air Force files.