History Main / SignificantReferenceDate

* During the scene in ''Aliens'' where Ripley confronts Burke, she mentions that his order to the colonists was dated "6/12/79", which was ''Alien'''s release date.

* In the fifth series of the new ''DoctorWho'', Amy's wedding [[spoiler:and the date from which the Cracks radiate]] is revealed in "[[Recap/DoctorWhoS31E05FleshAndStone Flesh and Stone]]" to happen on the broadcast date of "[[Recap/DoctorWhoS31E13TheBigBang The Big Bang]]".

''As an EasterEgg, writers will sometimes use an RealLife calendar date as an InUniverse reference point.''

* In the ''RemingtonSteele'' episode "Elegy in Steele", Steele's arch-enemy, Major Descoine, returns and promises that Steele and Laura Holt would be dead by noon that day. As part of his terror campaign, he sees to it that they stumble across headstones with their names and that day's date on them. That date was the original broadcast date.

* The HD version of ''SonicUnleashed'' has domesticated [[{{Mooks}} Egg Fighters]] in the Eggmanland entrance called "EF-[[SegaGenesis MD]][[Game/SonicTheHedgehog 1991]]"[[hottip:*:The "MD" designation was left unchanged in North American releases, despite the Mega Drive being called the Sega Genesis over there.]], "EF-[[SegaDreamcast DC]][[SonicAdventureSeries 1998]]" and "EF-[[{{Xbox 360}} XB]][[SonicTheHedgehog2006 2006]]".

* [[http://tvtropes.org/pmwiki/pmwiki.php/Film/Caveman Caveman]], the 1981 comedy starring RingoStarr and financed by GeorgeHarrison, was produced in memory of the recently slain JohnLennon. The opening titles note the film takes place "One Zillion BC, October 9th" - Lennon's birthday (the date, not the year).

* In the pilot episode of ''TheLooneyTunesShow'', Bugs and Daffy's birthdays are stated as being July 27th and April 17th, the dates that their first theatrical shorts were first released.

* In ''PowerRangersRPM'', Summer guesses that Project Go-Onger was built in 1975, which happens to be [[HimitsuSentaiGoranger the debut year]] of the ''SuperSentai'' franchise from which ''PowerRangers'' pulls its fight footage and costumes from.

* In ''{{Community}}'''s ChristmasEpisode "Abed's Uncontrollable Christmas", Troy says "Today's December 9th"...the same date as the episode's original 2010 air date.

* In ''PowerRangersRPM'', Summer guesses that Project Go-Onger was built in 1975. 1975 was [[HimitsuSentaiGoranger the debut]] of the ''SuperSentai'' franchise from which ''PowerRangers'' pulls its fight footage and costumes from.

* ''SonicUnleashed'' has domesticated badniks called "6-1991" and "1999".

* In the fifth series of the revived ''DoctorWho'', Amy's wedding [[spoiler:and the date from which the Cracks radiate]] happens on the broadcast date of the last episode.
** "Waters of Mars" tried to do this, the story was set on November 21, 2059, but the episode aired on November 15 due to a scheduling conflict.

As a bit of an EasterEgg, writers will sometimes use an actual calendar date as an in-show universe reference point. This could be a reference to a TV episode's original air date or a movie's original release date, or a character's [[SignificantBirthDate birthday]] or other important date which happens to be the same as that of the actor who plays him.

As a bit of an EasterEgg, writers will sometimes use an actual real life date as a in-show universe reference point. This could be a reference to a tv episode's original air date or a movie's original release date, or a character's [[SignificantBirthDate birthday]] or other important date happens to be the same as that of the actor that plays them.

[[AC: Anime and Manga]]
* Inverted by the Japanese DVD release of ''The Disappearance of HaruhiSuzumiya'', which was released on December 18th, 2010. (December 18th is the date in-story when weird stuff starts happening). Taken even further by {{Fanon}}, which believes that the exact date of the "three-years-ago" Tanabata was July 7th, 2007, making the exact in-story date of ''Disappearance'' December 18th, 2010.

[[AC: Live Action TV]]

** Also done in the previous season's Christmas episode. Shirley chastises Jeff for disrespecting the holiest day of the year, to which Jeff responds that it's December 10th.
* In the episode of ''RemingtonSteele'' "Elegy in Steele", Steele's Arch-enemy Major Descoine returns and promises that Steele and Laura Holt would be dead by noon that day. As part of his terror campaign, he sees to it that they stumble across headstones with their names and that day's date on them. That date was the original broadcast date.

* In the 5th series of the revived DoctorWho, Amy's wedding [[spoiler: and the date the Cracks radiate from]] happens on the broadcast date of the last episode.
* In an episode of ''{{Maverick}}'', Bret Maverick's birthdate day is given as the same as James Garner's.
* At the end of ''[[Main/{{MASH}} M* A* S* H]]'' episode "Welcome to Korea" (B.J.'s first episode), the PA announces the date that Col Sherman Potter would arrive to take command of the ''4077th''. That date was the date of the broadcast of the next episode, in which Potter is introduced.
* A screen in the ''StarTrekEnterprise'' episode "In a Mirror, Darkly Part 2" gives [[StarTrekTOS James T. Kirk]]'s birthday as 22nd March, which is WilliamShatner's birthday.


[[AC: Video Games]]
* SonicUnleashed has domesticated badniks called "6-1991" and "1999"

* SonicUnleased has a domesticated badnik called "1991"

[[AC: Anime and Manga]]
* Inverted by the Japanese DVD release of ''The Disappearance of HaruhiSuzumiya'', which was released on December 18th, 2010. (December 18th is the date in-story when weird stuff starts happening). Taken even further by {{Fanon}}, which believes that the exact date of the "three-years-ago" Tanabata was July 7th, 2007, making the exact in-story date of ''Disappearance'' December 18th, 2010.

* At the end of ''[[Main/{{MASH}} M* A* S* H]]'' episode "Welcome to Korea" (B.J.'s first episode), the PA announces the date that Col Sherman Potter would arrive to take command of the ''4077th''. That date was the date of the broadcast of the next episode, in which Potter is introduced.

* At the end of ''[[Main/{{MASH}} M* A* S* H]]'' episode "Welcome to Korea" (B.J.'s first episode), the PA announces the date that Col Sherman Potter would arrive to take command of the ''4077th''. That date was the date of the next episode, in which Potter is introduced.

* In ''{{Community}}'''s ChristmasEpisode "Amed's Uncontrollable Christmas", Troy says "Today's December 9th"...the same date as the episode's original 2010 air date.

As a bit of an EasterEgg, writers will sometimes use an actual real life date as a in-show universe reference point. This could be a reference to a tv episode's original air date or a movie's original release date, or a character's [[SignificantBirthdayDate birthday]] or other important date be the same as that of the actor that plays them.

* In the 5th series of the revived DoctorWho, Amy's wedding [[spoiler: and the date the Cracks radiate from]] happens on the broadcast date of the last episode.

* In the final episode of ''{{Seinfeld}}'', the events brought up as evidence against the gang are referenced as happening on the original air dates.

As a bit of an EasterEgg, writers will sometimes use an actual real life date as a in-show universe reference point. This could be a reference to a tv episode's original air date or a movie's original release date, or a character's birthday or other important date be the same as the actor that plays them.

As a bit of an EasterEgg, writers will sometimes use an actual real life date as a in-show universe reference point. This could be a reference to a tv episode's original air date or a movie's original release date, or a character's birthday or other important date be the same as the actor that plays them.