March 31st

9 documented paranormal events occurred on this day, spanning 1848 to 2026. Browse hauntings, UFO sightings, cryptid encounters, and unexplained phenomena recorded throughout history.

5 UFO 3 Other 1 Haunting

Selected from March 31st

Featured cases

Tic Tac shaped craft against a blue sky band

UFO 2026

AARO 2026 Annual Report: 1,800 Cases and the Quiet Persistence of the Unresolved

Washington D.C., USA

The Pentagon's All-domain Anomaly Resolution Office released its 2026 annual report on March 31, disclosing roughly 1,800 cumulative case files and a stubborn residue of incidents that resist any prosaic explanation.

Source document: DOW-UAP-D20, Mission Report, Iraq, 2023

UFO 2023

Iraq Military UAP Encounter (2023) — Mission Report

Iraq

A 2023 U.S. military mission report details an unidentified object sighting in Iraq, released via the PURSCO program in 2026.

Artistic depiction of Cosford-Shawbury UFO Incident — metallic flying saucer with illuminated dome

UFO 1993

The Cosford-Shawbury UFO Incident

Shropshire to Devon, England

A massive triangular craft was tracked across England by RAF personnel.

Source document: 65_HS1-834228961_62-HQ-83894_SUB_A

UFO 1950

Milan, England UFO Sighting (March 31, 1950) — FBI Files

Milan, England

U.S. government investigators recorded a flying disc sighting over Milan, England, in 1950, which was later identified as a rocket-powered hoax.

Source document: 65_HS1-834228961_62-HQ-83894_Section_4

UFO 1949

Killeen Base, Texas UFO Sighting (March 31, 1949) — FBI Files

Killeen Base, Texas

At 11:50 PM, Lt. Davis observed a reddish-white, basketball-sized object with a fire trail traveling at high speed and low altitude (estimated 6,000 ft) southwest of Killeen Base. The object passed directly over his position and disappeared quickly i

All cases · March 31st