Akleen founded the Union on the principle that service to the state was the most important aspect of Cardassian life. Akleen's writings were among the literature available to Obsidian Order members. (DS9 novel: Fearful Symmetry)
In 2374, Elim Garak suggested that the Federation Alliance should attack Ventani II, Akleen's planet of birth. It was ruled out as a target as it had little strategic value and the Jem'Hadar would not consider it sacred like the Cardassians did. (DS9 reference: Star Trek: Deep Space Nine Companion)
- This refers to a scene deleted from the broadcast version of "Tears of the Prophets".
In 2376, the Cardassian people voted in a competition between the Directorate, the Reunion Project and other political parties on Cardassia on the anniversary of Akleen's founding of the Union. (DS9 novel: A Stitch in Time)