View source for 'ABY-BBY' dating system

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[[File:Exds.png|thumb|250px|The destruction of the Death Star at Yavin became the year zero in the 'ABY-BBY' system.]]
The ''''ABY-BBY' dating system'''<ref name="GA">''[[Star Wars: Galactic Atlas]]''</ref> was used to label or number [[Standard year|years]] in the [[Timeline of galactic history|galactic history]] for some time during the [[Galactic Civil War]], mostly within the hierarchy of the [[Alliance to Restore the Republic]]. The "year zero" in this system was based on the destruction of the [[DS-1 Death Star Mobile Battle Station|first]] [[Death Star]] during the [[Battle of Yavin]], which the Alliance leaders saw as their first major victory against the [[Galactic Empire]]. '''BBY''' stood for "Before the Battle of Yavin," and '''ABY''' for "After the Battle of Yavin." Dates classed as [[0 BBY]] and [[0 ABY]] both denoted events that happened in the same year as the battle, either in the [[Standard month|months]] before it, or the months after it.<ref name="Falcon61">{{BuildFalconCite|61|Guide to the Galaxy|Galactic Time and Dates}}</ref>

The 'ABY-BBY' system was also used on a collection of maps thought to have been created by the [[Ithorian]] [[artist]] [[Gammit Chond]]. Various events related to the locations shown were marked on the maps with dates included, with many of the events centering on the exploits of the legendary [[Skywalker family]].<ref name="GA" />
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==Behind the scenes==
The 'ABY-BBY' dating system was first used in ''[[Star Wars]]'' [[canon]] in [[2014]], in ''[[Star Wars Workbook: 2nd Grade Reading]]''.<ref name="2nd Reading">''[[Star Wars Workbook: 2nd Grade Reading]]''</ref> In [[2016]], the reference book ''[[Star Wars: Galactic Atlas]]'' by [[Emil Fortune]] made extensive use of this system.<ref name="GA" /> It was originally introduced in the [[Star Wars Legends|''Star Wars'' Legends]] continuity in the [[1996]] [[West End Games]] [[roleplaying game]] guide  ''[[Star Wars: The Roleplaying Game, Second Edition, Revised and Expanded]]'' written by [[Bill Smith]].<ref name="SW:TRG">''[[Star Wars: The Roleplaying Game, Second Edition, Revised and Expanded]]''</ref>

[[Wookieepedia]] primarily uses the ABY/BBY system for both its [[Star Wars Legends|Legends]] and canon articles.

==Sources==
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{{Incomplete list}}
*''[[Star Wars Workbook: 2nd Grade Reading]]'' {{1stm}}
*{{SWCT|R2-D2 - Jabba's Sail Barge - Base Series 1|R2-D2 - Jabba's Sail Barge - ''Base Series 1''}}
*{{BuildFalconCite|61|Guide to the Galaxy|Galactic Time and Dates}}
*''[[Star Wars: Galactic Atlas]]'' {{1stID}}
*{{HelmetCollectionCite|1|Highlights of the Saga|Duel in Cloud City}}
*{{HelmetCollectionCite|2|multiple=[[Databank A-Z|Databank A-Z: Alzoc III&mdash;Antilles]]; [[Highlights of the Saga|Highlights of the Saga: The Capture of Han Solo]]}}
*{{HelmetCollectionCite|6|Highlights of the Saga|Peril in the Asteroid Field}}
*{{HelmetCollectionCite|8|Highlights of the Saga|Kidnap of the Chancellor}}
*{{HelmetCollectionCite|9|Highlights of the Saga|Ground Assault on Hoth}}
*{{HelmetCollectionCite|10|Highlights of the Saga|Birth of an Empire}}
*{{HelmetCollectionCite|11|Highlights of the Saga|Anakin's Tragedy}}
*{{HelmetCollectionCite|12|Highlights of the Saga|The Death Star}}
*{{HelmetCollectionCite|13|Highlights of the Saga|The Battle for Naboo}}
*{{HelmetCollectionCite|14|Highlights of the Saga|The Second Death Star}}
*{{HelmetCollectionCite|15|Highlights of the Saga|Palpatine Unmasked}}
*{{HelmetCollectionCite|16|Highlights of the Saga|The Fall of the Jedi}}
*{{HelmetCollectionCite|17|Highlights of the Saga|The Boonta Eve Classic}}
*{{HelmetCollectionCite|18|Highlights of the Saga|Assault on Jakku}}
*{{HelmetCollectionCite|19|Highlights of the Saga|The Death of Jabba the Hutt}}
*{{HelmetCollectionCite|20|Highlights of the Saga|The Capture of the ''Tantive IV''}}
*{{HelmetCollectionCite|21|Highlights of the Saga|Raid on Takodana}}
*{{HelmetCollectionCite|22|Highlights of the Saga|The Battle of Geonosis}}
*{{HelmetCollectionCite|23|Highlights of the Saga|Assault on Endor}}
*{{HelmetCollectionCite|24|Highlights of the Saga|Duel to the Death}}
*{{HelmetCollectionCite|25|Highlights of the Saga|Intrigue on Utapau}}
*{{HelmetCollectionCite|26|Highlights of the Saga|Fall of the ''Malevolence''}}
*{{HelmetCollectionCite|27|Highlights of the Saga|Battle of Kashyyyk}}
*{{HelmetCollectionCite|28|Highlights of the Saga|Crash Landing on Coruscant}}
*{{HelmetCollectionCite|29|Highlights of the Saga|The Empire Strikes Back!}}
*{{HelmetCollectionCite|30|Highlights of the Saga|The Betrayal of Captain Argyus}}
*{{HelmetCollectionCite|31|Highlights of the Saga|Assault on Starkiller Base}}
*{{HelmetCollectionCite|32|Highlights of the Saga|Attack of the Wampa}}
*{{HelmetCollectionCite|33|Highlights of the Saga|The Unlikely Heroes}}
*{{HelmetCollectionCite|34|Highlights of the Saga|Alderaan Survives!}}
*{{HelmetCollectionCite|35|Highlights of the Saga|Escape from Utapau}}
*{{HelmetCollectionCite|36|Highlights of the Saga|Attack on Jabba's Palace}}
*{{HelmetCollectionCite|37|Highlights of the Saga|The Battle of Ryloth}}
*{{HelmetCollectionCite|38|Highlights of the Saga|Ambush on Rugosa}}
*{{HelmetCollectionCite|39|Highlights of the Saga|Raid on the Jedi Temple}}
*{{HelmetCollectionCite|40|Highlights of the Saga|Battle on Geonosis}}
*{{HelmetCollectionCite|41|Highlights of the Saga|The Secret of Kamino}}
*{{HelmetCollectionCite|42|Highlights of the Saga|Infiltrating Starkiller Base}}
*{{HelmetCollectionCite|43|Highlights of the Saga|Breakout}}
*{{HelmetCollectionCite|44|Highlights of the Saga|Striking at the New Republic}}
*{{HelmetCollectionCite|45|Highlights of the Saga|The Battle of Teth}}
*{{HelmetCollectionCite|46|Highlights of the Saga|The Hunt for Luke Skywalker}}
*{{HelmetCollectionCite|47|Highlights of the Saga|Leaving Lothal}}
*{{HelmetCollectionCite|48|Highlights of the Saga|Fire on Jakku}}
*{{HelmetCollectionCite|49|Highlights of the Saga|Battle on the Beach}}
*{{HelmetCollectionCite|50|Highlights of the Saga|The Search for Lor San Tekka}}
*{{HelmetCollectionCite|51|Highlights of the Saga|Duel on Stygeon Prime}}
*{{HelmetCollectionCite|52|Highlights of the Saga|Reclaiming the ''Falcon''}}
*{{HelmetCollectionCite|53|Highlights of the Saga|Operation Yellow Moon}}
*{{HelmetCollectionCite|54|Highlights of the Saga|Flight from Naboo}}
*{{HelmetCollectionCite|55|Highlights of the Saga|Target: The Holy City}}
*{{HelmetCollectionCite|56|Highlights of the Saga|Infiltrating the Citadel}}
*{{HelmetCollectionCite|57|Highlights of the Saga|Leaving Skystrike}}
*{{HelmetCollectionCite|58|Highlights of the Saga|To Save a Jedi}}
*{{HelmetCollectionCite|59|Highlights of the Saga|Help from an Old Friend}}
*{{HelmetCollectionCite|60|Highlights of the Saga|The Second Battle of Geonosis}}
*{{HelmetCollectionCite|61|Highlights of the Saga|Escaping Cloud City}}
*{{HelmetCollectionCite|62|Highlights of the Saga|Leaving Wobani}}
*{{HelmetCollectionCite|65|Highlights of the Saga|Life after Jedha}}
*{{HelmetCollectionCite|66|Highlights of the Saga|Someone to Watch Over Me}}
*{{HelmetCollectionCite|67|Highlights of the Saga|Birth of the Blade Wing}}
*{{HelmetCollectionCite|68|Highlights of the Saga|Saving D'Qar}}
*{{HelmetCollectionCite|69|Highlights of the Saga|The Rebirth of Caleb Dume}}
*{{HelmetCollectionCite|71|Highlights of the Saga|The Battle of Scarif}}
*{{HelmetCollectionCite|72|Highlights of the Saga|Luke's Journey in the Force}}
*{{HelmetCollectionCite|73|Highlights of the Saga|The Maridun Incident}}
*{{HelmetCollectionCite|74|Highlights of the Saga|Oddy Muva's Revenge}}
*{{HelmetCollectionCite|76|Highlights of the Saga|The End of ''Endurance''}}
*{{HelmetCollectionCite|79|Highlights of the Saga|The Battle of Scarif}}}}

==Notes and references==
{{Reflist}}

{{Interlang
|es=Sistema de fechas 'ABY-DBY'
|tr='YSS-YSÖ' tarihleme sistemi
}}

{{DEFAULTSORT:ABY-BBY dating system}}
[[Category:Calendars]]