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Benzar was an inhabited planet located in the Benzite system, the homeworld of the Benzite civilization, and a significant member of the United Federation of Planets. Benzar's atmosphere differed somewhat from class M norms, such as that before the 2370s Benzites off-world required a respiration device. (TNG: "Coming of Age", "A Matter Of Honor"; DS9: "The Ship")
During the Dominion War, Benzar had fallen to Dominion and Cardassian forces by 2374. However, the planet was liberated by the Romulan Star Empire that year, after it joined the war on the side of the Allies. Constable Odo expressed concerns that the Romulans would not give up control of Benzar even after the war ended, as their usual policy was to keep claimed territories. (DS9: "The Reckoning")
Background information Edit
In the early versions of the script, Bolarus was the planet conquered and reclaimed by the Dominion.
Based on the star charts seen as the Enterprise-E raced back to Federation space after their first encounter with the Scimitar, it's likely that by this point Benzar has once again passed into Federation control, although this has yet to be confirmed in canon.
According to the Star Trek: Star Charts (p. 56) and the Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), the Benzite system was located in the Beta Quadrant. This system, also known as Delta Pavonis, was a single star system. Primary was a class G star with a magnitude of +5, which was the same brightness as Sol. Benzar was listed as a member planet of the Federation in 2378.
According to The Worlds of the Federation, Benzar was the third planet in the Gamma Xertia system. Its natives call it Pheradon.
According to Decipher's 'All Our Yesterdays sourcebook, Benzar was the fourth planet in the Securis system.