Pelios Station was where Curzon Dax and Benjamin Sisko first met. (DS9: "Invasive Procedures")
While on Pelios Station, Benjamin met a particular dancer, the story behind, however was not revealed. (DS9: "Children of Time")
In 2371, Odo (who was carrying Curzon's memories and persona during Jadzia's zhian'tara) thought Kasidy Yates reminded him of a woman Sisko dated on the station. (DS9: "Facets")
In 2374, Sisko interrupted Yedrin Dax before he could finish the story of "that dancer". (DS9: "Children of Time")