Organian Peace Treaty (
The Trouble with Tribbles)
Pacifistic energy beings known as Organians imposed upon the United Federation of Planets and the Klingon Empire the treaty that those warring factions were unable to forge themselves.
Seeds or plays on table. Your Federation- and Klingon-affiliation cards that have 
icons may mix and cooperate. (Immune to The Devil.)
Characteristics: Treaty, Treaty - Federation, Treaty - Klingon.
Requires: 
affiliation, 
affiliation, Original Series .
Card logging info: Logged by openCards team at May 1st, 2009.
Treaty: Bajoran/Klingon (
Deep Space Nine)
The Klingon Empire established a permanent military presence on the Bajoran station Deep Space 9 when Chancellor Gowron reinstated the Khitomer Accords in 2373.
Plays on table (for free if you have Chancellor Gowron in play). Your Bajoran and Klingon affiliations recognize this treaty. They can now mix and cooperate.
Characteristics: Treaty, Treaty - Bajoran, Treaty - Klingon.
Requires: 
affiliation, affiliation, Chancellor.
Card logging info: Logged by openCards team at May 1st, 2009.
Treaty: Federation/Klingon (
Premiere BB)
Past treaties between these powers included the Treaty of Alliance creating mutual aid and defense without intervention.
Plays on table. Your Federation an Klingon affilations recognize this treaty. They can now mix and cooperate.
Characteristics: Treaty, Treaty - Federation, Treaty - Klingon.
Requires: affiliation, affiliation.
Card logging info: Logged by openCards team at May 1st, 2009.
Treaty: Federation/Romulan/Klingon (
Official Tournament Sealed Deck)
Three major Alpha Quadrant powers, in an uncharacteristic show of solidarity in 2373, focused their resources against the Dominion threat in a united stand at station Deep Space 9.
Plays on table. If you have no side decks, your , 
and affiliations may mix, cooperate and ignore affiliation battle restrictions, but may not attempt opponent's missions.
Characteristics: Treaty, Treaty - Federation, Treaty - Klingon, Treaty - Romulan.
Requires: affiliation, affiliation, affiliation.
Card logging info: Logged by openCards team at May 1st, 2009.
Treaty: Klingon/Cardassian Alliance (
Crossover)
In the mirror universe, the Cardassian Union and the Klingon Empire united with other smaller powers to take advantage of the peaceful reforms of the Terran Empire.
Seeds or plays on table. Your 
cards may mix and cooperate, and your leaders may use your ships. Your leaders may attempt and 
missions.
Characteristics: Treaty, Treaty - Klingon.
Requires: affiliation, affiliation, Alliance .
Card logging info: First edited by Telak at Sep 18th, 2015. Please support openCards and validate game text of this card!
Treaty: Romulan/Klingon ( Premiere BB)
Historically bitter enemies, these two powers had a brief, failed alliance to share technology around 2268.
Plays on table. Your Romulan an Klingon affilations recognize this treaty. They can now mix and cooperate.
Characteristics: Treaty, Treaty - Klingon, Treaty - Romulan.
Requires: affiliation, affiliation.
Card logging info: Logged by openCards team at May 1st, 2009.
Treaty: Starfleet/Klingon (
Straight and Steady)
In the 22nd-century, brief periods of peaceful cooperation existed between Starfleet and the Klingon Empire, such as the effort to stop the Qu'vat Colony virus.
Plays on table (for free if you have Antaak or Phlox in play). Your 
cards and your 
cards recognize this treaty. They can now mix and cooperate.
Characteristics: Treaty, Treaty - Klingon.
Requires: affiliation, affilition, 22nd Century .
Card logging info: Logged by Roga Danar at Oct 28th, 2010 (Q1 by KlimDokachin at Nov 5th, 2010 & Q2 by eberlems at Nov 15th, 2010)
