"The only difference is that I can usually remember where I've read something in past history, but my future history I know without knowing how I know it."

— Edward Chalmers, "Edge of the Knife"

1st Century AE (1943-2042 AD)

0
(1943)

Atomic Era begins with the first self-sustaining nuclear fission reaction. [HBP]
• ". . . the First Day of the Year Zero, when Enrico Fermi put the first [nuclear reactor] into operation. . . ." [JP]

2
(1945)

World War II ends; United Nations, precursor to the first Terran Federation, established. [HBP]
• ". . . Terran Federation is a tentative name for a proposed organization to take the place of the U.N. if that organization breaks up." [EK]

28
(1971)

Kilroy, first unmanned rocket, lands on Luna. [HBP]
• ". . . the first unmanned rocket . . . the Kilroy . . . launched some time in 1971." [EK]

c29
(c1972)

First base established on Luna. [HBP]
• "By that time, the Lunar Base would be completed and ready; the enemy missiles would be aimed primarily at the rocketports from which it was supplied." [EK]

30
(1973)

"The Edge of the Knife" (published May 1957).

c31
(c1974)

United Nations collapses. [HBP]
• ". . . the complete dissolution of the old U.N. . . ." [EK]

32
(1975)

World War III ("Thirty Days' War"). [HBP]
• ". . . the Southern Hemisphere managed to stay out of the Third and Fourth World Wars. . . ." [UU]
• ". . . back before the Thirty Days' War. . . ." [OL]
• ". . . the period immediately before the Thirty Days' War; . . . would lead, eventually, to the Thirty Days' War; . . . The Thirty Days' War would be the immediate result." [EK]
• ". . . burrow-cities, like the ones built in the Northern Hemisphere of Terra during the Third and Fourth World Wars. . . ." [FDP]
• ". . . nuclear bomb radiations on Terra during and after the Third and Fourth World Wars; . . . between the Second and Third World Wars." [FS]

First Terran Federation formed. [HBP]
• ". . . the complete dissolution of the old U.N. [would] necessitate the formation of the Terran Federation; . . . Terran Federation is a tentative name for a proposed organization to take the place of the U.N. if that organization breaks up." [EK]
• ". . . nuclear bomb radiations on Terra during and after the Third and Fourth World Wars, at the beginning of the First Federation." [FS]

?

Resettlement of Northern Hemisphere refugees in Antarctica begins.
• ". . . Eurasian barbarians of North Terra, the human debris of the Atomic Wars, against whom he had campaigned to protect the reclamation projects." [WC]
• "I was born in Antarctica. . . ." [FDP]
• ". . . burrow-cities, like the ones built in the Northern Hemisphere of Terra during the Third and Fourth World Wars. . . ." [FDP]
• ". . . nuclear bomb radiations on Terra during and after the Third and Fourth World Wars." [FS]

53
(1996)

"Omnilingual" (published February 1957).

First human expedition to Mars. [HBP]
• ". . . Gloria was the leading contender for the title of Miss Mars, 1996. . . ." [OL]
Discovery of ancient Martian civilization.
• ". . . on Mars.  A whole race, a whole species, died while the first Crò-Magnon cave-artist was daubing pictures of reindeer and bison; . . . the last Martian had died five hundred centuries ago; . . . one of the places where the Martian race perished; . . . one city, of the last Martian civilization." [OL]

c55-100
(c1998-2043)

Further exploration of Mars, Venus, Asteroid Belt, and Moons of Jupiter. [HBP]
• "This [Mars] expedition is a cadre of leadership—not only the Space Force people, who'll be the commanders of the main expedition [aboard Schiaparelli], but us scientists, too; . . . in readiness for the arrival [on Mars], in a year and a half, of the five hundred members of the main expedition. . . ." [OL]

c60-105
(c2003-48)

First Terran Federation begins to crack under strains of colonial claims and counter-claims of member states; serious financial dislocations. [HBP]
• ". . . population pressure like Terra in the First Century." [SV]

?

Terran Federation establishes colonies on Mars.
• ". . . the colonies on Mars and Venus; . . .colonies on Mars and Venus; . . . the revolt of the colonies on Mars and Venus." [EK; JFC says 108 AE but HBP implies this must occur prior to WWIV.]

?

Terran Federation establishes colonies on Venus.
• ". . . the colonies on Mars and Venus; . . .colonies on Mars and Venus; . . . the revolt of the colonies on Mars and Venus." [EK; JFC says 116 AE but HBP implies this must occur prior to WWIV.]

92
(2035)

Contragravity is developed. [HBP; JFC]

?

Nuclear-electric energy conversion, collapsed-matter shielding are developed. [HBP]
• "Look how the power interests tried to suppress the discovery of direct conversion of nuclear energy to electric current, back in the First Century." [FS]

2nd Century AE (2043-2142 AD)

c105
(c2048)

Colonial "claims and counter-claims of [Terran Federation] member states" sparks revolt of colonies on Mars and Venus. [HBP]
• ". . . the revolt of the colonies on Mars and Venus." [EK]
• "One of the Second Century Martian Colonial poets; . . . There must have been colonies inside the Sol System, before the Interstellar Era, that hadn't turned out any better than Poictesme." [GD]
• "They had [anti-technological movements] on Terra . . . after Venus seceded from the First Federation, before the Second Federation was organized." [SV; JFC says 174 AE but HBP implies this must occur prior to WWIV]

106
(2049)

Fourth World War ("First Interplanetary War") begins. [HBP]

109
(2052)

Fourth World War ends. [HBP]
• ". . . the Southern Hemisphere managed to stay out of the Third and Fourth World Wars. . . ." [UU]
• ". . . burrow-cities, like the ones built in the Northern Hemisphere of Terra during the Third and Fourth World Wars. . . ." [FDP]
• ". . . nuclear bomb radiations on Terra during and after the Third and Fourth World Wars, at the beginning of the First Federation. . . ." [FS]

114
(2057)

Unspecified crisis in the first Terran Federation. [UU]
• ". . . the old U.S. [atomic bomb] data that General Lanningham brought to South America after the debacle in the United States. . . ." [UU]

c119
(c2062)

Minor warfare following the Fourth World War comes to an end. [HBP]

c127
(c2070)

South Africa, Australia, New Zealand, Brazil, Argentina and other nation-states reform (second) Terran Federation, establishing single world sovereignty. [HBP; JFC says 183 AE]
• ". . . the end of civilization in the Northern Hemisphere and the rise of the new civilization in South America and South Africa and Australia; . . . in the English-Spanish-Afrikaans-Portuguese mixture that was Sixth Century, A.E., Lingua Terra." [UU]
• "Completely unified world [of 2050 to 2070], abolition of all national states under a single world sovereignty. . . ." [EK]
• ". . . after Venus seceded from the First Federation, before the Second Federation was organized." [SV]
• ". . . Lingua Terra is . . . [an] indiscriminate mixture of English, Spanish, Portuguese, and Afrikaans. . . ." [FS]
• ". . . Britain was a great nation, once; the last nation to join the Terran Federation. . . ." [KP]

183
(2126

Dillingham hyperdrive developed. [HBP]

192
(2135)

First expedition to Alpha Centauri. [HBP; JFC says 144 AE]
• ". . . in the five centuries since the first Terran starship left the Sol System." [FS]

3rd Century AE (2143-2242 AD)

200
(2143)

Atomic Era dating adopted. [HBP]
• "They used Atomic Era dating exclusively on Venus, and he always had to count on his fingers to transpose to Christian Era. . . ." [WC]

?

Interstellar exploration, colonization, and expansion begins. [HBP]
• ". . . the race that had gone out from the Sol system in the Third Century. . . ." [SV]

?

Thor discovered, Thorans encountered.
• ". . . the Thor Company, and the Loki Company, and the Yggdrasil Company.  They were all chartered for inhabited planets. . . ." [WC]

?

Loki discovered, Lokians encountered.
• ". . . the Thor Company, and the Loki Company, and the Yggdrasil Company.  They were all chartered for inhabited planets. . . ." [WC]

?

Yggdrasil discovered, Khooghra encountered.
• ". . . the Thor Company, and the Loki Company, and the Yggdrasil Company.  They were all chartered for inhabited planets. . . ." [WC]

?

"When in the Course—" (published in 1981)

Freya discovered, Freyans encountered, Freya Company chartered. [WC]
• ". . . Freya, where the people were human to the last degree; . . . one of my great-grandmothers was a Freyan." [UU]

4th Century AE (2243-2342 AD)

c350
(c2293)

Marduk settled.
• "Marduk . . . had first been colonized in the Fourth Century.". [SV]

c380
(c2323)

Fenris settled, Fenris Company chartered.
• "The chartered company that colonized [Fenris], back at the end of the Fourth Century A.E. . . .". [FDP]

c390
(c2333)

Chartered Fenris Company goes bankrupt, most colonists evacuated.
• "The chartered company that colonized [Fenris] . . . went bankrupt in ten years. . . .". [FDP]

5th Century AE (2343-2442 AD)

c480
(c2423)

Four-Day Planet (published in 1961).

Anton Gerrit, leader of Loki enslavement, captured on Fenris; Kapstaad Chemical Products, Ltd., monopoly on Fenris tallow wax broken by Argentine Exotic Organics.
• The Port Sandor spaceport on Fenris "was built close to a hundred years ago, when the population was" over 200,000. [FDP]

6th Century AE (2443-2542 AD)

c500
(c2443)

Federation forces intervene on Fenris with nuclear weapons.
• "[What] nuclear weapons . . . did on . . . Fenris. . . .". [UU] "[The Federation will] send the Federation Space Navy, and [Uller will] get it worse than Fenris did.". [UU]

526
(2469)

Uller Uprising (published in 1952).

Native revolt on Uller against Chartered Uller Company.
• "The Chartered Uller Company was taken over by the Government after the Uprising, in 526. . . .". [FOP]

580
(2523)

Jack Holloway is born.
• "Seventy-four: I was born in 580. I couldn't even estimate how much to allow for on time-differential for hyperspace trips.". [FS]

7th Century AE (2543-2642 AD)

629
(2572)

Zarathustra is discovered and settled. [HBP; JFC; LF]
• ". . . the planet that had been called Zarathustra (for the last twenty-five [years]); . . . Only twenty-five years since this planet was discovered. . . ." [LF]

?

Fafnir, Imhotep and Irminsul discovered by the Hubert Penrose expedition. [NS]
• "There had been Fafnir; conditions there would correspond to Terra during the Cretaceous Period, but any Cretaceous dinosaur would have been cute and cuddly to the things on Fafnir.  Then there had been Imhotep; in twenty or thirty thousand years, it would be a fine planet, but at present it was undergoing an extensive glaciation.  And Irminsul, covered with forests of gigantic trees; it would have been fine except for the fauna, which was nasty, especially a race of subsapient near-humanoids who had just gotten as far as clubs and coup-de-poing axes." [NS]

c650
(c2593)

"Naudsonce" (published January 1962).

Svantovit discovered, Svants encountered.
• ". . . as anybody in the Seventh Century of the Atomic Era was. . . .". [NS]

c650
(c2593)

Poictesme is discovered by Genji Gartner and settled. [GD; JFC says 603 AE]

654
(2597)

Little Fuzzy (published in 1962).
Fuzzy Sapiens (published in 1964).
Fuzzies and Other People (published in 1984).

Terra-Baldur-Marduk Spacelines holds monopoly on travel to Zarathustra; Zarathustran Fuzzy sapience recognized; Zarathustra reclassified from Class III to Class IV world; Zarathustra Company charter revoked. [LF]

8th Century AE (2643-2742 AD)

782
(2725)

Foxx Travis born, aide to commander of Federation army elements on Kwannon during the native revolt there and commander of the Third Fleet-Army Force headquartered on Poictesme during the System States War. [JFC; JP; OS]

9th Century AE (2743-2842 AD)

812
(2755)

"Oomphel in the Sky" (published November 1960).

Miles Gilbert and Foxx Travis thwart native revolt on Kwannon. [HBP; JFC]

Aditya discovered. [JFC; SS]

839
(2782)

Systems States Alliance secedes from Federation. [HBP]

842-854
(2785-2797)

System States War. [HBP; JFC; JP]

851
(2794)

Federation forces destroy city of Kindelburg on Asmodai. [JP]

854
(2797)

Complete defeat of Alliance. [HBP; JFC; JP]

855
(2798)

Ten thousand refugees from Abigor and the remnants of the System States Alliance navy flee the Terran Federation and, ultimately, settle Excalibur, the first Sword-World. [HBP; JFC says 854; SV]

c856
(c2799

Franchard's Rise and Decline of the System States published. [EK]

c871
(c2814)

Conn Maxwell born. [JP]

894
(2837)

"Graveyard of Dreams" (published February 1958).
Junkyard Planet/The Cosmic Computer (published in 1963).

Merlin, the fabled Federation battle computer, is discovered on Poictesme by Conn Maxwell. [JP; JFC]

10th Century AE (2843-2942 AD)

c905
(c2848)

Sword Worlds Joyeuse, Durendal and Flamberge colonized from Excalibur. [HBP; SV]

c915
(c2858)

Odin, Marduk, Baldur, Aton, Isis, etc. (Isis? Osiris? Freya? Vishnu?) move toward various degrees of autonomy from Federation. [HBP; SV]  Ambassador Guido Kayn, Federation Special Resident, declares himself President of independent Republic of Marduk. [SV; apocryphal]

c930
(c2873)

Sword-World Haulteclere colonized from Joyeuse. [HBP; SV]  (Morglay? Colada? Tizon?)

c935
(c2878)

Monarchy established on Marduk. [SV]  Eduarda Gelderen, Mayor of Malverton, overthrows Republic of Marduk government, declaring herself Custodian of Marduk, later Queen. [SV, apocryphal]

c950
(c2892)

Aditya abandoned by (or secedes from) Federation. [SS]

c955
(c2898)

Sword-World Gram colonized from Haulteclere. [HBP; SV]  (Curtana? Quernbiter? Twelfth Sword-World?) [SS, SV]

11th Century AE (2943-3042 AD)

c1000
(c2943)

Interstellar Wars begin, a series of revolts and wars that lead to the collapse of the Terran Federation. [HBP, JFC, SV]

12th Century AE (3043-3142 AD)

c1100
(c3043)

Terran Federation completely vanished. [HBP]
The "parallel between the buccaneers of the West Indies and the space-pirates in the days of the dissolution of the First Galactic Empire, in the Tenth Century of the Interstellar Era." [EK;  Presumably this reference is to the dissolution of the Terran Federation, the first interstellar Terro-human government, nearly a thousand years—ten centuries—after the advent of the faster-than-light Dillingham hyperdrive in 183 AE.]

1176
(3119)

The last Federation President , Elisabet Stauber (of Terra), deposed by Admiral Odilon Soowert, Tyrant of Uller. [EK, SV, apocryphal]

13th Century AE (3143-3242 AD)

c1200
(c3143)

Interstellar Wars come to an end. [JFC; SV]

14th Century AE (3243-3342 AD)

1359
(3302

First Sword-World ship returns from voyage to Old Federation; Aditya occupied by Morglay. [SV; SS; JFC; HBP says approximately 1450 AE]

15th Century AE (3343-3442 AD)

c1450
(c3393

First Sword-World ships enter Old Federation space-volume. [HBP; see 1359 AE]

16th Century AE (3443-3542 AD)

c1595
(c3538)

After an unsuccessful raid on Aton by six ships from Haulteclere, Space Vikings no longer raid "civilized worlds" in the Old Federation. [SV; JFC says 1503]

17th Century AE (3543-3642 AD)

c1600
(c3542)

Aditya in the Old Federation abandoned during dynastic war on Morglay. [SS]

c1615
(c3558)

Skathi in the Old Federation is deserted by Space Vikings. [SV; JFC says 1473]

c1650
(c3593)

Marduk-Odin "false war." [SV]

c1665
(c3608)

During war between Aton and Baldur, the Planetary Nationalist Party takes power on Aton and forms a dictatorship. [SV; JFC says 1548 AE]

18th Century AE (3643-3742 AD)

c1716
(c3659)

Space Viking (published in 1962-63).

Lucas Trask leaves Gram for Tanith in the Old Federation. [SV]

c1723
(c3666)

Battle of Adhumla between Trask's nascent League and Dunnan's Space Vikings. [SV]

c1725
(c3668)

With support from Haulteclere and Space Viking fleet from Xochitl, exiled Duke Omfray of Glaspyth attempts to overthrow King Angus of Gram. [SV]

Battle of Marduk between alliance of Trask's nascent League and loyalist Mardukan forces and Dunnan's Space Vikings and Makann's Mardukan usurpers. [SV]

c1730
(c3673)

King Lucas of Tanith and Prince Simon of Marduk establish League of Civilized Worlds. [HBP; SV]

19th Century AE (3743-3842 AD)

c1880
(c3823)

House of Bentrick on Marduk dissolves League of Civilized Worlds and proclaims (first) Galactic Empire. [HBP; SS; JFC says 1848]

20th Century AE (3843-3942 AD)

1900
(3843)

Imperial Era (IE) dating system begins; 20th Century AE corresponds to 1st Century IE. [HBP]

c1980
(c3923)

Emperor Steven IV transfers capital of Galactic Empire from Marduk ot Odin. [HBP; JFC says 1936 AE]

21st Century AE (3943-4042 AD)

c2035
(c3978)

Sword Worlds added to the Galactic Empire. [FH; JFC says 1904 AE]

22nd Century AE (4043-4142 AD)

c2150
(c4093)

"A Slave is a Slave" (published April 1962).

Aditya conquered by the Galactic Empire. [SS]

23rd Century AE (4143-4242 AD)

c2295
(c4238)

Rodrik VI completes consolidation of (first) Galactic Empire. [FH; JFC says 2162 AE]

24th Century AE (4243-4342 AD)

25th Century AE (4343-4442 AD)

26th Century AE (4443-4542 AD)

27th Century AE (4543-4642 AD)

28th Century AE (4643-4742 AD)

29th Century AE (4743-4842 AD)

30th Century AE (4843-4942 AD)

31st Century AE (4943-5042 AD)

c3050
(c4993)

"Ministry of Disturbance" (published December 1958).

Emperor Paul XXII and Prince Yorn Travann "undertake to arouse the Empire to new efforts". [JFC says 2936 AE]

—
—

301st Century AE (31,943-32,042 AD)

c30,050
(c31,993)

"The Keeper" (published July 1957).

Scholar/explorers at the height of the Fifth Galactic Empire discover that a glacial Terra was the birthplace of humanity.

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