Phoenix Lights (1997) - mass UFO sightings

On the evening of March 13, 1997, thousands of people across Phoenix reported seeing large formations of lights and a V- or triangular-shaped object moving over the city in an event since known as the Phoenix Lights. The sightings were widely reported in local and national media and prompted diverse explanations, including eyewitness testimony, military flares, and continuing UFO interest; the phenomenon remains a prominent modern legend in Phoenix. The event is frequently referenced in local cultural history and UFO research related to the Phoenix metropolitan area.