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Four Years War

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The Four Years War was the single "hot" war between the Klingon Empire and the United Federation of Planets in the 23rd century, between reference stardates 1/94 and 1/98.

These dates would correspond to the early 2250s on the standard timeline.

The war started when the Federation colony on Archanis IV was attacked which resulted in the death of 112 Federation citizens. It was discovered later that the Federation protectorate world of Axanar served as a base for a Klingon garrison. This was discovered when Captain Garth of the USS Xenophon encountered a disabled Klingon cruiser inside Federation space. Admiral Kkorhetza of the Klingon garrison declined the opportunity to surrender the garrison to Starfleet which started the war. (FASA RPG module: The Four Years War)


The Four Years War caused a military buildup between the Klingon Empire and Federation, resulting in numerous advances in starship technology. The following classes saw action in this conflict:


Battles of the Four Years War
Prelude Archanis Massacre (2250) • First Battle of Axanar (2251)
2252 Second Battle of AxanarBattle of AndromedaBattle of GenmarxEncounter at Lea
2253 Xamdab II Convoy RaidBattle of LyclydunInvasion of Janni IVLaxala IncidentBattle of Donovan's StarBattle of GR-1Assault of Nozseca VIIIAttack of Convoy Y-16ZNostveg I EngagementBattle of Joia VBattle of Sinbad IV
2254 Battle of Delgon-RBattle of Sector 23-HBattle of FalgorBattle of Lasur FunopEncounter at VidetuBattle of JevolBattle of KlafBattle of OgoloDebacle at GisoDefense of Rudgur IIIBattle of KesseBattle of Webirty
2255 Attack on Zal VhrosBattle of Sult IIElek EngagementBattle of ThranstorBattle of Sire YopotBattle of Sector 12-JBattle of Rex DacutBattle of TireheDefense of TopaxAssault of T'vamBattle of Sector 23-DBattle of Pen'sBattle of OcoBattle of Biwywb
2256 Battle of KaragBattle of GrankBattle of Kolm-an

Appendices Edit

Connections Edit

Federation-Klingon Wars
Ufp-emblem Starfleet Command logo Federation-Klingon Cold War (23rd century-2293) • Four Years War (2250s) • Federation-Klingon War of 2267 (2267) • Federation-Klingon War of 2285 (2285) • Federation-Klingon War of 2372-2373 (2372-2373) • Federation-Klingon War of 2405-2410 (2405-2410) Klingon Empire

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