The Battle of Los Angeles Los Angeles, 1942: Just three months after the Japanese attack on Pearl Harbor, this incident occurred between February 24th and 25th, when an unidentified flying object was spotted over Los Angeles. Assumed to be another air strike from Japan, the UFO sparked a massive anti-aircraft military attack. The the true identity of the object is still unknown today.
The Lubbock Lights An unusual formation of lights flew over Lubbock, Texas in 1951. Spotted by three professors from Texas Technical College and later photographed by a student, the 'UFO' featured 20 and 30 lights that flew overhead in a "V" formation. The sighting was so popular and highly publicized that the photos and story appeared in Life Magazine in 1952.<>P 
The Washington D.C. Incident First spotted on an air traffic controller's radar, seven objects moved in unusual flight patterns that witnesses called bright orange lights. The most publicized sightings occurred in consecutive weekends with the objects moving over the White House. The incident was so publicized it prompted President Truman to demand an explanation.
Ghost Rockets Sweden, 1946: Over 2,000 "Ghost Rockets" were sighted over from August 9th to August 11th by hundreds of witnesses. The rockets were assumed to be meteors, but UFO talk arose because many sightings occurred during broad daylight while the rockets were described as moving slowly and horizontally, and, sometimes, were followed by strange noises.
The Belgian UFO Wave This series of sightings lasted from November 1989 to April 1990, with 143 witnessed accounts on the first night. The unknown objects were tracked on radar by the Belgian Air Force and described as black triangles with bright lights that would change color. The Belgian Air Force still offers no explanation for the objects.
Roswell, New Mexico The most famous UFO incident and suspected Government cover-up occurred in 1947. Recovered debris from an alien aircraft (or experimental high-altitude surveillance balloon as is claimed) was found in the desert of New Mexico, beginning one of the biggest controversies and mysteries in U.S. history.
