AF:  Aeon Flux (cartoon and movie)

AL:  Alien (movie series, including Aliens, Alien 3, and Alien VS Predator)

AN:  Alien Nation (TV show)

AW: Airwolf (TV show)

BG:  The Books of Gor (the Gorean novel saga)

BL:  Blade (movie series)

BM:  BattleMech, BattleSpace, BattleTech, and MechWarrior (books and games)

BR:  Blade Runner (movie)

BS:  Battlestar Galactica

BT:  Batman (comics and movies)

CB:  Conan the Barbarian (movie series)

DA:  Dark Angel (TV show)

DU:  Dune (movie series)

EO:  EVE Online (MMORPG)

FS:  Farscape (TV show)

FN:  Fringe (TV show)

IJ:    Indiana Jones

JB:  James Bond (movie series)

JD:  Judge Dredd (movie and comics)

JP:  Jurassic Park (movie series)

LC:  H.P. Lovecraft (books)

LR:  Lord of the Rings (book and movie series)

LX:  Lexx (TV show)

MA: M.A.N.T.I.S. (TV show)

ME:  Mass Effect (game series, including Mass Effect 2 and Mass Effect 3)

MI:   Mission Impossible (movie series)

MK:  Mortal Kombat (movies and comics)

MM:  Mad Max (movie series)

MW: Morrowind (game series)

OL:  The Outer Limits (TV show)

PB:  Pitch Black (movie series, including The Chronicles of Riddick)

PC:  Pirates of the Caribbean (movie series)

PD:  Predator (movie series and comics)

R6:  Rainbow 6 (game series)

RC:  RoboCop (movie series)

RF:  Rifts (game and book series)

RW: Road Warrior (movie series)

S7:  The Saga of Seven Suns (book series)

SB:  Space: Above and Beyond (TV show)

XM:   X-Men (comics and movies)

Between 1,000 BC and 40 AD: LC: The people of K'n-yan find a way to halt the aging process and prevent death by any means save violence, accident, or personal will. 

1,000 BC-1,000 AD: The Dark Ages; no gods or demigods upon the surface of the Earth, and all non-human sentient civilizations and species go into hiding.

    - Humans and all other animals upon the surface of the Earth become rabid zombies, indicated by the spread of the virus called "religion".

    - Ogres, trolls, goblins, dwarves, demons, and mutants all interbreed with (becoming?) humanity, warping it into the ugly abomination it is by the late 2nd millennium.

   - Were-creatures lose there were-abilities, leaving giant forests, cave networks, prairies, and deserts full of once-sentient, once-eloquent, once-peaceful races like bears, horses, dogs, cats, birds, and snakes.  All of them are now rabid zombies, just like the humans.

c.900: King Solomon secretly loots the gold and other treasures of all the pyramids he knows of, because the pyramids had been harvesting gold from the entire world by the time the Anunnaki left, which is why it seems like King Solomon had mining operations in the Americas. 

382 BC-1996 AD: HP: Harry Potter timeline.

c.300 BC: LC: The Picts are shattered into several smaller tribes that feud among themselves. 

    - The R'lyeh Text is translated into Chinese. 

Between the Late 3rd Century BC and the Early 2nd Century BC: LC: The R'lyeh Text is translated into Latin. 

213: LC: China's first emperor, Chin Shi Huang Di, orders the Burning of the Books, wherein many texts not in favor with the emperor are destroyed. Among these texts, according to some, are the Seven Cryptical Books of Hsan. A few copies are reputedly confiscated and stored in the Imperial Library, only to be destroyed in that building's razing six years later. Subsequent Chinese authors compile corrupted versions of the Seven Cryptical Books, using their own memories and what few fragments can be found, to replace the Chinese originals. 

c.200: LC: Theodotides, a Greco-Bactrian official, is among those that exchanges minds with one of the Great Race of Yith. 

200: LC: Completion of the Septuagint Greek Manuscripts (the original Bible) which contain the 39 Old Testament Books and the 14 Apocrypha Books.

101: RF: Nazcan Line Drawers return to Earth, draw more magic lines

100: RF: Nazcan Line Drawers use recently drawn magic lines to fight off the Arkhon mothership alien forces

c.100: LC: Possible first appearance of the Cabala of Sabaoth. 

    - The earliest known Greek translation of the Book of Eibon, the Peri ton Eibon, dates from this time. 

82-75: LC: During the time of the Roman dictator Sulla, a quæstor named Titus Sempronius Blaesus is among those that exchange minds with one of the Great Race of Yith. 

c.80 BC: LC: Chaugnar Faugn is discovered by a Roman legion. It destroys the legion, but retreats with the Miri Nigri to the Plateau of Tsang. Faugn leaves its brothers behind.

Between 51 BC and AD 486: LC: During the Roman period of Gaul, the towns of Simaesis and Avionium (later Ximes and Vyones) in Averoigne are feared due to worship of a god named Sadoqua.

9 AD: LC: The battle of Teutoberger Wald occurs; among the Germanic tribesmen in the battle was Wolfred Herman Freimann, who later exchanged minds with a Yithian. 

27: LC: Simon of Gitta accidentally helps to summon Cthulhu.

31: LC: Simon of Gitta disrupts a plot involving Shub-Niggurath. 

37: LC: The Roman Emperor Tiberius acquires the Serpent Ring of Set through one of his nobles, shortly before he dies. Simon of Gitta is rumored to be connected to Tiberius' death.

37-41: LC: The Roman Emperor Caligula takes a copy of the Book of Thoth from Egypt, to experiment with it. Shortly before he dies, the book is destroyed. Simon of Gitta is rumored to be connected to Caligula's death.

41-54: LC: Simon of Gitta enters the service of the Roman Emperor Claudius.

41: LC: Simon of Gitta befriends some of the last of the serpent people.

42: LC: Simon of Gitta battles the forces of Cthugha.

43-450: LC: Roman legionnaires occupying the Severn Valley in Britain discover the Great Old One Byatis imprisoned behind a stone door in an ancient camp. Horrified, they imprison it behind a five-pointed star. However, from time to time, Byatis breaks free, stalking victims. This creates the legend of the "Berkeley Toad." 

69-79: LC: During the reign of the Roman emperor Vespasian, the Priscus family is wiped out, and its name excised from Roman records. 

c.100: LC: One source dates the Greek Testament of Carnamagos back to this time. 

2nd Century AD: LC: According to some, the Seven Cryptical Books of Hsan are written by Hsan the Greater in this century.  

125: LC: Titus Tetericus, three-years-dead son of the retired Roman senator Felicius Tetricus of Eboracum (later to become York), seemingly returns to life for about a year before he returns "to the land of shades." 

126: LC: A force of legionnaires travels north of Hadrian's Wall into Pictish territory on a mysterious mission. Their fate is never uncovered. 

138: LC: Lollius Urbicus, a Roman scholar living near modern-day York, writes Præsidia Finium. 

c.150: LC: An Irish translation of the Book of Eibon is created by travelling Irish scholars. 

c.165: LC: Occultus is written by Hieriarchus.

c.200: LC: The Daemonolorum is written by an Egyptian sect. 

    - A Latin translation of the R'lyeh Text appears.

206: LC: Bran Mak Morn, great chieftain of the Picts, summons the Worms of the Earth (degenerate descendants of the Serpent People) to battle the Romans. 

207: LC: Bran Mak Morn calls back King Kull of Atlantis.

208: LC: Bran Mak Morn battles the Worms of the Earth, the same that he once called allies.

c.210: LC: Bran Mak Morn dies as a result of the treachery of a Roman general. A cult later springs up around the legendary Pict chieftain. 

c.300: LC: Flavius Alesius' Annales make reference to the Liber Ivonis as a set of tablets held by the Averones. 

389: LC: The Serapiam of Alexandria is burned by Christians. In the process, several Greek and Latin versions of the Book of Eibon are destroyed. 

c.390-c.400: LC: Valerius Trevirus writes the poem De Noctis Rebus, which makes reference to the Liber Ivonis. 

c.400: LC: The Codex Dagonensis, the Codex Maleficum, the Codex Spitalski, and the Cthaat Aquadingen are known in northern Germany by this date. The books all contain similar material, including various Sathlattae. 

    - Confessions of the Mad Monk Clithanus is written by Clithanus himself. 

466: LC: The wizard Azédarac and his manservant both disappear from Averoigne. 

475: LC: An individual named Brother Ambrose comes to live with the sorceress Moriamis in Averoigne. 

6th Century: LC: Nestar Mobedan Mobed, a self-proclaimed Zoroastrian prophet, leads a group of followers to break from their more orthodox contemporaries. During their self-imposed exile, Mobed writes the Letters of Nestar, which detail rituals to summon Cthugha and his servitors. Twenty years later, he and his now-numerous followers return to the city they left, and attempt to conquer it by summoning Cthugha. Nestar is slain by the city guard, and most of his followers captured. The rest flee, under his letters of instruction, to India and Russia.

592: LC: The planet Shaggai is destroyed, possibly by Ghroth the Harbinger. The surviving members of the Shan race scatter; one group travels to the planet Xiclotl, and calls the other Shan from their planetary colonies to join them. 

c.595: LC: The oldest known written copy of the Book of Dzyan is found by traders in a Chinese cave. 

c.600: LC: The traders' Book of Dzyan comes into the possession of the Sui Dynasty's Prince of Shu, who is later exiled for practicing black magic. His copy of the Book is later donated to the Imperial Library by a famous poet; there it is copied before being returned. 

7th Century: LC: The Arabian astrologer Ibrahim al-Araq refers to the star Algol as "the Demon Star" or "the star from whence the Demon comes." 

640: LC: The Great Library at Alexandria is burned. Certain texts escape the Library's destruction, and eventually make their way the the monastery of Perigon in Averoigne. 

655: LC: Possible year of Abdul Alhazred's birth.

c.700: LC: U Pao, one of Burma's earliest scholars, writes the Black Sutra. 
c.709:  Outlander (movie events)​

c.730: LC: Abdul Alhazred writes the Kitab Al-Azif. 

738: LC: Abdul Alhazred dies. According to popular lore, he is killed in the marketplace of Damascus by an invisible monster. 

750: SG: Goa'uld return to Earth, destroy Teotihuacan, and abduct many of its people.

760: LC: Shortly before this time, a translation of the Kitab Al-Azif into Duriac (an obscure Middle Eastern dialect) is made.

c.792: LC: The Shan leave Xiclotl (taking servitors from among the planet's natives along) and travel to a planet they name Thuggon. However, they only remain there less than a year before they travel to L'gy'hx, known to humans as Uranus. 

9th Century: LC: Caius Phillippus Faber translates the Book of Eibon into Latin, retitling it Liber Ivonis. 

    - Sicily is a stronghold of Shub-Niggurath's cult during this century.

c.900: LC: The Kitab Rasul Al-Albarin is written by Ibn el-Badawi. An English translation is made some time later. 

935: LC: A copy of the Testament of Carnamagos is found in a Graeco-Bactrian tomb, along with a copy of the Book of Eibon. Two copies of the former text, translated into Greek, are later made by a monk. 

950: LC: Theodorus Philetas of Constantinople translates the Kitab Al-Azif into Greek, and renames it the Necronomicon.  

960: LC: Theodorus Philetas has correlated several copies of the Book of Eibon into a medieval Greek translation by this time. 

c.1000: LC: A "strange and powerful dynastic order" builds a stone priory atop an ancient temple in modern-day Anchester, the site of which eventually becomes Exham Priory. 

Between the 11th and 12th centuries: LC: A Latin version of the Cthaat Aquadingen is made during this time. 

11th Century: LC: The Christian Church tries to suppress the worship of Sadoqua in Averoigne. However, their efforts are ruined when local church officials also take up Sadoqua's worship.

1050: LC: Patriarch Michael, disturbed by rumors about experimentation with the Necronomicon, has many copies of the book burned. According to Olaus Wormius in his introduction to the Latin edition, all known copies of the Arabic versions are destroyed as well. 

1095-1099: LC: During the time of the First Crusade, Norsemen land on the isle of Bal-Sagoth, reputed to be the last surviving fragment of Atlantis. At this point, the advanced natives worship a god named Gol-goroth. 

1099: LC: A copy of Al-Azif is found in Jerusalem. It is eventually placed in the hands of the Comte de Champagne, who forms an order of knights known as the Templars to guard it.

c.1100: LC: A Bulgarian translation of the Necronomicon is made. 

c.1100-2009: TR: Tomb Raider timeline.

12th Century: LC: The Brotherhood of the Beast is founded in the memory of Nophru-Ka.

   - Bartolomeo Corsi, a Florentine monk, is possessed by one of the Great Race of Yith, and subsequently goes mad. He is eventually exiled to the island of Stromboli and writes the Harmaticon. 

    - Ibn Khallikan writes a biography of Abdul Alhazred. 

12th Century to 2009: TR: Tomb Raider (games and movies) timeline.* A few events of Tomb Raider occurred at unspecified BC dates.

    - TR: The Lux Veritatis, a secret society set out to suppress evil, is formed as an off-shoot of the Knights Templar. 

Early 12th Century: LC: The Vatican's only Averone version of the Book of Eibon disappears. 

c.1135: LC: Construction is begun on the cathedral in Vyones. 

1138: November: LC: A series of brutal murders and other disturbing events perpetrated by apparent "demons" occur in Vyones. In the middle of the month, they cease as abruptly as they began. 

1166: LC: A man named Azédarac comes to hold the position of bishop of Ximes. 

1175: Summer: LC: A Brother Ambrose disappears in the Inn of Bonne Jouissance in Averoigne, after drinking a draught of red wine. 

1198: LC: Bishop Azédarac apparently dies. He is canonized as St. Azédarac. 

1200: RF: Transdimensional refugees of the Mechanoid War take up residence in Cuzco, thought to be Gods by people who become Incas, fall into slumber b/c Earth's magic field is too weak during this Iron Age.

13th Century: LC: Adolphus Clesteros writes the Kagwamon K'thaat. The book is in a language of the author's invention called W'hywi, and only a single copy is made.

    - One of the two Greek copies of the Testament of Carnamagos is destroyed by the Inquisition.

    - The Necronomicon is translated into French, and enters the collections of several monasteries in southern France.

    - The local clergy in Avebury begins efforts to remove certain local standing stones, efforts that continue into the 14th century; many of the stones are destroyed. 

    - The building later known as Delaware House is built by Sir Ranulf de la Weir on the site of Saxon ruins near modern-day Weirton in England. 

1204: LC: Sedefkhar, owner of the Simulacrum that bears his name, is killed when the Fourth Crusade sacks Constantinople. During the same attack, Theodoros Philetos' original manuscript of the Necronomicon, along with a copy of Peri ton Eibon, is destroyed by Roman Catholic priests. 

Wilbur Nathaniel Hoag's sonnet-cycle, Dreams from R'lyeh is published by Miskatonic University almost thirty years after their discovery among the poet's papers. 

1228: LC: Olaus Wormius (a monk, not the famous doctor who came later) translates the Greek Necronomicon into Latin. He dubs his translation De Normis Necium. 

c.1230: LC: The future sorcerer, Nathaire, is born. 

1230: LC: A man claiming to be Brother Ambrose appears briefly in the Inn of Haute Esperance (formerly the Inn of Bonne Jouissance), then disappears. 

1232: LC: Pope Gregory IX bans the Greek and Latin Necronomicons. 

c.1240: LC: Gaspard du Nord translates the Book of Eibon into Norman French. Presumably, it is around the time of this translation that he writes his commentarySelections du Livre d'Ivon, which includes spells that protect a user of the Book from the forces of evil. 

1261: LC: King Henry III of England grants the site of Exham Priory to Gilbert de la Poer, also known as Baron Exham. The building itself is constructed atop the previously existing ruins some time thereafter. 

1271-1272: LC: The Ninth Crusade, last of the Crusades, occurs. According to Ludwig Prinn, he was the only survivor of that Crusade, but that claim is dubious at best, considering he died over 250 years later. 

1278: LC: Nathaire is stoned by an angry crowd for his alleged sorceries, and is permanently lamed as a result. He never forgives this incident. 

1281: Early Summer: LC: The wizard Gaspard du Nord of Vyones dispels the sorcerous works of his evil former master, Nathaire. This saves the city of Vyones, and gives him immunity from persecution by the Church. 

c.14th Century: LC: The Cthaat Aquadingen is translated into English. 

1300: LC: The Anasazi vanish, severe drought is ultimately blamed.

14th Century: LC: According to some sources, the Hyperborean edition of the Book of Eibon survived up until this time.

1307: LC: The Knights Templar in England are disbanded by King Edward II. 

    - Afterwards, some of the former Templars settle the village of Goatswood in the Severn River Valley. Other ex-Templars settle in the nearby town of Temple Hill (later Temphill) and try to assimilate themselves into the local religious community, with little success. 

    - A chronicle refers to the de la Poer family as "cursed of God." 

1315: LC: Enguerrand de Marigny, a court official and ancestor of Étienne-Laurent and Henri-Laurent de Marigny, is executed on trumped-up charges of sorcery.

1369: Summer: LC: A red comet heralds the coming of the "Beast of Averoigne." It is eventually defeated by the wizard Messire le Chaudronnier. 

1373: LC: By this time, the Louvre's Latin copy of the Necronomicon had vanished.

15th Century: LC: A flawed English translation of the Book of Eibon is made. 

    - According to rumor, the Pnakotic Manuscripts are published in English by an anonymous translator in this century. 

   - TR: The Lux Veritatis hide the Obscura Paintings by having them painted over with religious imagery by Brother Obscura. The artist created secret copies of the paintings, the Obscura Engravings which hold clues to where the real paintings were hidden. 

c.1400: LC: A man described as a "ghoul" is buried in a Holland graveyard, along with a jade amulet of the "corpse-eating cult" of the Plateau of Leng. 

1419: LC: The Duc de Bourgoyne dies. Shortly before that, his copy of the Averone Book of Eibon disappears. 

1445: TR: The Lux Veritatis claim to have defeated the black Alchemist Pieter van Eckhardt. They lock him up in a prison for the centuries. 

1462-1897: The events of Bram Stoker's Dracula (movie).

1472: LC: A version of the Olaus Wormius Necronomicon is printed in Lyons, France.

Late 15th Century: LC: A black-letter printing of the Latin Necronomicon is made in Germany. 

1484: LC: According to some, this is the year De Vermis Mysteriis is written. However, most evidence renders this unlikely.

1490: LC: According to some, De Vermis Mysteriis is printed in this year.