Educational · History

Contact Timeline

From a New Mexico ranch in 1947 to repeating narrowband bursts at the hydrogen line — here is how seventy-eight years of UAP, signal and anomaly events shaped — and were shaped by — global aerospace surveillance.

1947

Roswell Incident

Roswell, New Mexico (USA)

Debris recovery near a ranch sparks the modern UAP era. Initial military press release describes a 'flying disc' before being retracted as a weather balloon.

1952

Washington D.C. Flap

Washington, USA

Multiple radar-visual UAP intercepts over the capital across two consecutive weekends. F-94 jets scrambled.

1977

Wow! Signal

Big Ear Telescope, Ohio (USA)

72-second narrowband radio burst at 1420 MHz. Never repeated, never explained.

1980

Rendlesham Forest

Suffolk, United Kingdom

USAF security personnel report a landed craft over three nights near a NATO airbase.

1986

Hessdalen Lights

Hessdalen Valley, Norway

Recurring unidentified light phenomena instrumented under Project Hessdalen.

1997

Phoenix Lights

Phoenix, Arizona (USA)

Mile-wide V-formation observed by thousands across Arizona. Governor later confirmed witnessing it.

2004

USS Nimitz Tic-Tac

Pacific Ocean

Navy F/A-18s record a 40ft tic-tac-shaped object performing impossible maneuvers. Footage declassified 2017.

2017

AATIP Disclosure

United States

Pentagon's Advanced Aerospace Threat Identification Program is disclosed; three Navy UAP videos released.

2023

Congressional UAP Hearings

Washington, USA

Whistleblower David Grusch testifies under oath about a multi-decade non-human craft retrieval program.

2025

Atacama Repeating Burst

Atacama Desert, Chile

ALMA logs the first repeating narrowband burst at the hydrogen line, period 11.4 days.

// Full Archive

All recorded signals

19 entries
ID
Date (UTC)
Class
Location
Country
Signal
  • AL-7742
    2026-05-09
    SIGNAL
    Atacama Desert
    Chile
    94%
  • AL-7743
    2026-05-08
    ANOMALY
    Reykjavík
    Iceland
    62%
  • AL-7744
    2026-05-08
    RADAR
    Tunguska
    Russia
    78%
  • AL-7745
    2026-05-07
    UAP
    Nazca
    Peru
    71%
  • AL-7746
    2026-05-07
    ANOMALY
    Hessdalen
    Norway
    81%
  • AL-7747
    2026-05-06
    UAP
    Wycliffe Well
    Australia
    66%
  • AL-7748
    2026-05-06
    RADAR
    Tokyo Bay
    Japan
    89%
  • AL-7749
    2026-05-05
    SIGNAL
    Stonehenge
    United Kingdom
    73%
  • AL-7752
    2026-05-04
    ANOMALY
    Wadi Rum
    Jordan
    69%
  • AL-7751
    2026-05-04
    UAP
    Mt. Shasta
    United States
    84%
  • AL-7753
    2026-05-03
    RADAR
    Kyiv
    Ukraine
    91%
  • AL-7754
    2026-05-03
    SIGNAL
    Cape Town
    South Africa
    96%
  • AL-7720
    2026-04-22
    UAP
    Phoenix, AZ
    United States
    92%
  • AL-7705
    2026-04-08
    ANOMALY
    Bermuda Triangle
    Atlantic
    74%
  • AL-7691
    2026-03-28
    RADAR
    Salisbury Plain
    United Kingdom
    81%
  • AL-7672
    2026-03-12
    UAP
    Mexico City
    Mexico
    88%
  • AL-7660
    2026-02-19
    SIGNAL
    Reykjanes
    Iceland
    70%
  • AL-7611
    2026-01-19
    RADAR
    Vladivostok
    Russia
    85%
  • AL-7588
    2025-12-30
    ANOMALY
    Mariana Trench
    Pacific
    78%