The X-Files

The black-oil oil-rig crisis is implied to take place in April 2001

c. April 29, 2001 · 'Vienen' lists the in-story date only as 2001, but its April 29, 2001 original airdate supports an implied April 2001 placement. Episode: Season 8, Episode 18 (8ABX16).

Mulder pursues the White House conspiracy lead in an implied April 2001 window

c. April 8, 2001 · 'Three Words' lists the in-story date only as 2001, but its April 8, 2001 original airdate supports an implied April 2001 placement. Episode: Season 8, Episode 16 (8ABX18).

Mulder's return from apparent death is implied to unfold in April 2001

c. April 1, 2001 · 'DeadAlive' gives the in-story date only as 2001, but the episode originally aired on April 1, 2001, making an April 2001 placement a reasonable implied chronology. Episode: Season 8, Episode 15 (8ABX15).

Dana Scully is nearly killed by the parasite cult in Utah

c. November 26, 2000 · Scully is captured and implanted by a deadly parasite worshipped by a cult in "Roadrunners". Episode: Season 8, Episode 4 (8ABX05).

The Cigarette Smoking Man survives Krycek's attempt to finish him

c. May 21, 2000 · A gravely ill Smoking Man survives an internal power struggle in "Requiem". Episode: Season 7, Episode 22 (7ABX22).

Walter Skinner is brought to the brink of death by nanotechnology

c. January 17, 1999 · Skinner becomes critically ill from nanotech implanted in his body in "S.R. 819". Episode: Season 6, Episode 9 (6ABX10).

Scully investigates the angelic deaths of All Souls in April 1998

c. April 26, 1998 · The case of 'All Souls' is explicitly dated to April 1998. Episode: Season 5, Episode 17 (5X17). Canon in-story month from X-Files Wiki.

Alex Krycek barely survives the rebel alien purge

c. March 8, 1998 · Krycek is caught in the violent alien-rebel campaign and survives by a narrow margin in "The Red and the Black". Episode: Season 5, Episode 14 (5X14).

The Cigarette Smoking Man survives being shot during the conspiracy crisis

c. November 9, 1997 · The Smoking Man is shot during the fallout of the Mulder-Scully cancer arc and survives in "Redux II". Episode: Season 5, Episode 2 (5X02).

Mulder's traumatic memory spiral culminates in the events of Demons

c. April 12, 1997 · The events of 'Demons' occur on April 12, 1997, when Mulder's recovered memories and gunshot crisis come to a head. Episode: Season 4, Episode 23 (4X23). Canon in-story date from X-Files Wiki.

Fox Mulder nearly dies after a self-inflicted gunshot and memory collapse

April 12, 1997 · Mulder is found critically wounded after uncovering traumatic repressed memories in "Demons". Episode: Season 4, Episode 23 (4X23).

Alex Krycek is infected with black oil and nearly dies in Russia

c. December 1, 1996 · Krycek is captured, infected, and nearly killed amid the black oil crisis in "Terma". Episode: Season 4, Episode 9 (4X09).

Walter Skinner is stalked by a death omen and nearly destroyed

c. April 26, 1996 · Skinner unravels while being haunted by a murderous apparition in "Avatar". Episode: Season 3, Episode 21 (3X21).

Fox Mulder is left for dead in a burned boxcar

c. May 19, 1995 · Mulder is trapped and left to die in a burning boxcar during the climax of "Anasazi". Episode: Season 2, Episode 25 (2X25).

Dana Scully is abducted and nearly killed after Duane Barry's attack

c. October 14, 1994 · Scully is abducted and taken to Skyland Mountain, an ordeal that nearly kills her in "Ascension". Episode: Season 2, Episode 6 (2X06).

The Litchfield Eve experiment begins to break down

c. December 10, 1993 · The Adam and Eve clone experiment at Litchfield begins to fail as the Eve clones develop psychosis around age twelve.

Dana Scully assigned to X-Files

c. March 6, 1992 · No description

Shannon McMahon and Knowle Rohrer become the first super-soldiers

c. January 19, 1991 · Shannon McMahon and Knowle Rohrer become the first successful super-soldiers.

Super-soldiers are first deployed during the Gulf War

c. January 18, 1991 · American super-soldiers intervene during the Gulf War, reinforcing the secret military program.

Black Oil is used as a biological weapon in the Gulf War

c. January 17, 1991 · Black Oil is used as a biological weapon during the Gulf War.

Mulder discovers the X-Files

c. January 1, 1990 · Fox Mulder discovers the X-Files and begins his obsession with the bureau's paranormal cases.

Billy Miles is abducted by aliens for the first time

c. January 1, 1989 · Billy Miles is abducted by aliens for the first time.

Duane Barry's first alien abduction

c. January 1, 1985 · Duane Barry is abducted by aliens for the first time.

Samantha's escape and death

c. January 1, 1979 · Samantha Mulder briefly escapes her captors and is granted a painless death before recapture.

The Syndicate learns of the Colonists' plan

c. January 1, 1973 · The Syndicate learns that the Colonists plan to use Black Oil to prepare Earth for colonization and begins collaborating while secretly pursuing hybrid immunity.

Deep Throat executes an alien

c. January 1, 1969 · Deep Throat kills an alien in cold blood, a turning point in his later defection toward Mulder.

CSM assassinated MLK

April 4, 1968 · The Cigarette Smoking Man is depicted as playing a role in the assassination of Martin Luther King Jr.

CSM assassinates JFK

c. November 22, 1963 · The Cigarette Smoking Man is depicted as playing a role in the assassination of John F. Kennedy.

Birth of Fox Mulder

c. October 13, 1961 · Evidence-backed birth record for Fox Mulder. https://en.wikipedia.org/wiki/Fox_Mulder | https://x-files.fandom.com/wiki/Fox_Mulder

CSM helps assassinate Rafael Trujillo

c. May 30, 1961 · The Cigarette Smoking Man helps orchestrate the assassination of Rafael Trujillo.

CSM helps assassinate Patrice Lumumba

c. January 17, 1961 · The Cigarette Smoking Man helps orchestrate the assassination of Patrice Lumumba.

The FBI begins the X-Files

c. January 1, 1952 · The FBI begins the X-Files program.

The government learns of Black Oil

c. July 8, 1947 · U.S. government figures learn about Black Oil and its role in the colonization conspiracy.