The freeing of the Gallitep labour camp on Bajor in 2357 by the Shakaar resistance cell, which revealed the scale of the atrocities committed there under Gul Darhe'el.
Gallitep was a Cardassian mining camp where Bajoran prisoners were worked to death, tortured and murdered on the orders of its commandant, Gul Darhe'el. The Shakaar cell stormed and freed it twelve years before the Cardassian withdrawal, and what the fighters found became a byword for the cruelty of the occupation.
Kira Nerys took part and never forgot the condition of the survivors. In the Deep Space Nine episode Duet a Cardassian arrives at the station with Kalla-Nohra syndrome, an illness contracted only in a mining accident at the camp. He claims to be Darhe'el himself and boasts of his crimes.
Kira discovers that he is Aamin Marritza, a filing clerk who altered his face so that Cardassia would be forced to admit its guilt. He is stabbed by a Bajoran on the Promenade as she releases him.