| c 400 BE | The death of Prince Foo brings to an end the glorious age of Pheebor. |
| 0 GUE | Formation of the kingdon of Quendor and the beginning of the reign of Entharion the Wise. |
| 41 | Mysterion the Brave, the second king of the Entharion Dynasty, succeeds Entharion. |
| 55 | Zylon the Aged, the third king of the Entharion Dynasty, succeeds Mysterion. Zylon ruled for the remarkably long period from 55 to 398 GUE. |
| 398 | Zilbo I, the fourth king of the Entharion Dynasty, succeeds Zylon. |
| 423 | Bozbo I, the fifth king of the Entharion Dynasty, succeeds Zilbo I. |
| 429 | Zilbo II, the sixth king of the Entharion Dynasty, succeeds Bozbo I. |
| 451 | Harmonious Fzort, the seventh king of the Entharion Dynasty, succeeds Zilbo II. |
| 473 | The mage Bizboz publishes "On the Presence of Incredibly Weird Stuff Going On," the first serious study of the laws of magic. He is immediately laughed out of Galepath University leading to his tragic suicide in 475 GUE. |
| 474 | Treaty of Znurg is signed on 5 Jam ending the Zucchini Wars. |
| 475 | Bizboz commits suicide. |
| 477 | Bozbo II, the eighth king of the Entharion Dynasty, succeeds Harmonious Fzort. |
| 481 | Thaddium Fzort, the ninth king of the Entharion Dynasty, succeeds Bozbo II. |
| 545 | Mumbo I, the tenth king of the Entharion Dynasty, succeeds Thaddium Fzort. |
| 569 | Bozbo III, the eleventh king of the Entharion Dynasty, succeeds Mumbo I. |
| 575 | Bozbo IV, the twelfth king of the Entharion Dynasty, succeeds Bozbo III. |
| 619 | Mumbo II, the thirteenth king of the Entharion Dynasty, succeeds Bozbo IV. |
| 628 | Zilbo III, the fourteenth and final king of the Entharion Dynasty, succeeds Mumbo II. |
| 659 | The obscure figure Duncanthrax the Bellicose, the first king of the Flathead Dynasty, becomes King of Quendor following the equally obscure death of Zilbo III on the last day of 659 GUE. |
| 660 | Duncanthrax moves the capital of Quendor from Largoneth Castle Egreth. |
| 665 | The forces of Duncanthrax destroy the Antharian Armada at Fort Griffspotter, giving Quendor undisputed control of the Great Sea as well as Antharia's granola mines. |
| 666 | Underground caverns discovered in the lands across the sea. The Diablo Massacre at Zorbel Pass. |
| 668 | Formation of Frobozz Magic Construction Company, later to become FrobozzCo International. |
| 672 | Duncanthrax passes the Unnatural Acts, outlawing the sale of "unnatural or supernatural substances." |
| 688 | Belwit the Flat, the second king of the Flathead Dynasty, succeeds Duncanthrax. |
| 691 | First Double Fanucci Championship held in Borphee. |
| 699 | On Augur 16, Belwit the Flat mints the first zorkmid bearing his likeness and the words "In Frobs We Trust". |
| 701 | Frobwit the Flatter, the third king of the Flathead Dynasty, succeeds Belwit. |
| 723 | Invention of the Hyperbolic Incantation Concentrator, or magic wand by the Thaumaturgical Institute. |
| 727 | Timberthrax Flathead, the fourth king of the Flathead Dynasty, succeeds Frobwit. |
| 732 | Frobozz Philharmonic Orchestra is founded. |
| 738 | Phloid Flathead, the fifth king of the Flathead Dynasty, succeeds Timberthrax. |
| 747 | Battle of the Stonewall. |
| 755 | Mumberthrax Flathead the Insignificant, the sixth king of the Flathead Dynasty, succeeds Phloid Flathead. |
| 757 | Birth of Belboz. Double Fanucci becomes national sport of Quendor. |
| 769 | Invention of the GNUSTO spell by the mage Berzio signals the beginning of the Industrial Age of Magic. |
| 770 | Lord Dimwit Flathead the Excessive, the seventh king of the
Flathead Dynasty, succeeds Mumberthrax. Planning for Lord Dimwit's
coronation ceremony begins. Quendor is renamed to The Great Underground Empire. The Great Sea is renamed Flathead Ocean. |
| 771 | Lord Dimwit moves the capital of the Empire to Flatheadia. |
| 773 | The city of Mareilon destroyed by the Endless Fire through accidental use of the ZIMBOR spell. Lord Dimwit restricts the use of magic to the Guilds of Enchanters. |
| 776 | Golden ring stolen from Lord Dimwit's partially completed Royal Museum by unknown footpad. |
| 777 | Dedication of Royal Museum. |
| 781 | Construction of huge 400-story FrobozzCo International
Headquarters. Filming of Beach Blanket Fannucci at Flathead Beach. |
| 782 | Construction of Flathead Stadium. |
| 783 | Beginning of Lord Dimwit's coronation ceremony. Construction of Flood Control Dam #3. |
| 785 | End of Lord Dimwit's coronation ceremony. |
| 789 | Curse Day - the anniversary of the death of Lord Dimwit Flathead the
Excessive on 14th of Mumberur. Lord Dimwit is killed by the great
wizard Megaboz who cast the mighty Curse. Loowit Flathead, the eighth king of the Flathead Dynasty, succeeds Lord Dimwit. FrobozzCo International purchases the last profitable organization in the GUE, a small rutabega farm in Mithicus. |
| 804 | Boswell Barwell's The Lives of the Twelve Flatheads
is published by the Frobozz Magic Biography Publishing Company
(exerpts were published in the Flathead Calendar of 883 GUE). The Inquisition, a crackpot religious sect, dies out. |
| 811 | The Rose Riots. |
| 813 | Duncwit Flathead, the ninth king of the Flathead Dynasty, succeeds Loowit. |
| 820 | Belboz becomes a full-fledged Enchanter. |
| 841 | Elvis Flathead's first concert. |
| 843 | Barbawit Flathead, the tenth king of the Flathead Dynasty, succeeds
Duncwit. Moss of Mareilon classified by Thwack of Mareilon. |
| 845 | Idwit Oogle Flathead, the eleventh king of the Flathead Dynasty,
succeeds Barbawit. Belboz achieves the rank of Sorcerer. |
| 865 | The Granola Riots start on 16 Estuary. |
| 873 | G.U.E. on Nine Zorkmids A Day by Lester Foozilbarmumboz is published. |
| 875 | Barsap appointed Royal Magician by Idwit Oogle Flathead. |
| 880 | S. Fzortbar draws the blueprints to the Rockville Estates. |
| 881 | Wurb Flathead, the twelfth and final king of the Flathead Dynasty, succeeds Idwit Oogle. |
| 883 | Collapse of Great Underground Empire, prompting Belboz's famous quote
"I told you so." Creation of mysterious white house; inauguration of first Dungeon Master. |
| 896 | The Great Underground Empire: A History by Froboz Mumbar is published. |
| 910 | Belboz becomes Guildmaster of the Accardi Chapter of the Guild of Enchanters. |
| 927 | Invention of the GOLMAC spell by Barbel of Gurth. "A Brief History of Magic" by Gustar Woomax is published in Popular Enchanting. |
| 933 | Barbel of Gurth becomes Guildmaster of the Gurth City chapter of the Enchanters' Guild. |
| 947 | FrobozzCo International relocates to Borphee. |
| 948 | The legend of Zork; inauguration of second Dungeon Master. |
| c 950 | Defeat of the warlock Krill by then-unknown Enchanter, who is then promoted to the rank of Sorcerer. |
| 952 | Belboz destroys the evil giant Amathradonis. He then becomes Secretary of the Guild of Enchanters. |
| 957 | Defeat of the demon Jeearr by the very same Sorcerer who defeated Krill. He replaces Belboz as head of the Circle of Enchanters. |
| 966 | Rebuilding of the universe and end of the Age of Magic. Coconut of Quendor recovered from the Implementors. Final Edition of the Encyclopedia Frobozzica published. |