This page contains information regarding Star Trek: Discovery, and thus may contain spoilers.
In 2256, this star's location was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the USS Discovery. It was depicted as a Klingon star. (DIS: "Magic to Make the Sanest Man Go Mad")
After the forces loyal to Gowron had suffered a major defeat in the Mempa sector during the Klingon Civil War, they were forced into a full-scale retreat and had to regroup near Beta Lankal. (TNG: "Redemption II")