Timeline of American government paranormal investigations (1950-Present Day)

1950s

• August 1951 - Strange lights over Lubbock, Texas are investigated by the US Air Force.

• March 1952 - US Air Force forms Project Blue Book to investigate unidentified flying objects.
• July 1952 - Project Blue Book investigates reports of unidentified lights and radar pings around Washington.
• September 1952 - Project Blue Book investigates reports of "oddities" around Braxton County, West Virginia.

• August 1955 - US Army and Project Blue Book investigate reports around Kelly and Hopkinsville, Kentucky.

1960s

• September 1961 - Project Blue Book investigation into the Betty and Barney Hill Incident.
• December 1965 - US Army and Air Force (most likely from Project Blue Book) close off a suspected crash site near Kecksburg, Pennsylvania. What crashed is widely regarded as a meteor or satellite.
• December 1966 - FBI Begins investigations on "Mothman".
• October 1967 - FBI begins investigations on suspicious reports around Bluff Creek, California.
• December 1967 - FBI investigates reports on Mothman after the Silver Bridge Collapse.
• March 1967 - FBI Closes Investigation on Mothman.

• December 1969 - US Air Force Officially Closes Project Blue Book.

1970s

• April 1977 - FBI reports on sightings of a mysterious creature in Dover, Massachusetts.
• March 1979 - FBI planned on investigating reports of Mothman sightings in the days leading up to Three Mile Island.

1980s

• January(?) 1980 - The Midwestern Union orders the creation of the Department of Civilian Defense after reports of unnatural creatures.
• March 1983 - Several Nations come together to form the Tokyo Treaty Anomaly Resolution Sector, the first intergovernmental organization intended on explaining the unexplained.
• April 1983 - The United Commonwealth creates the National Bureau of Anomaly Security.
• February 1984 - The Western States reopens Project Blue Book.
• November 1987 - May 1988 - The NBAS opens an investigation into the Gulf Breeze UFO incident, but finds little thanks to poor relations with and ongoing conflicts within the American Federation.
• May 1988 - TTARS formation of the Hominid Relocation Committee.
• October 1989 - NBAS investigates reports in Reedy Creek around the Walt Disney Cryosleep legend. Results inconclusive.

1990s

• September 1990 - TTARS investigates reports on suspicious sightings during Operation Desert Storm.