Danula II is the second planet in the Danula system of the Alpha Quadrant.
In April of 2323, the Starfleet Academy Marathon was held on Danula II. It was a race, and the winner was Starfleet Academy freshman Cadet Jean-Luc Picard. He was the first freshman to win the race. (TNG: "The Best of Both Worlds, Part II")
In 2359, freshman Cadet Benjamin Bartholomew won the Academy marathon on Danula II. Star Trek: Pendragon)
In the "Pendragon timeline," Danula II was used as a base by the anti-Leyton Starfleet. New recruits received training on Danula, including Jason Bartholomew. (Star Trek: Pendragon)