The Battle of Klach D'Kel Brakt (or Briar Patch conflict) was a battle between the Klingon Empire and the Romulan Star Empire in 2271.
Kor, commanding the IKS Korvat was considered the hero of Klach D'Kel Bracht for his actions in the battle. (TOS novel: Excelsior: Forged in Fire)
In 2370, Kor spent three hours recreating the Battle of Klach D'Kel Brakt in one of Quark's holosuites on Deep Space 9, as he was determined to win. Odo described the Battle of Klach D'Kel Brakt to Quark as being legendary. (DS9 episode: "Blood Oath")
In 2376, Grakal told Toq the story of the Battle of Klach D'Kel Brakt five times during the celebration of the Order of the Bat'leth on Ty'Gokor. (GKN novel: A Good Day to Die)
- According to the Decipher RPG module: Aliens and Startrek.com, the battle was set in 2270.