A is for Algeron, Treaty of. Signed in good faith by the Federation. Only somewhat so by the Romulans. B is for Battle of Cheron, which was either the climactic skirmish of the Earth-Romulan War in 2160 or the last conflict between the Romulans and the Federation that happened in 2311 and preceded the Empire's withdrawal into isolation for the next half-century. C is for Commander. The rank held by the first Romulan we ever saw. D is for D'Deridex-class Warbird...twice as long as a Galaxy-class Federation starship. E is for Empire, they have one F is for FIRE EVERYTHING! One of the last things Nero said before his death. G is for Gal'gathong. Where there are spectacular firefalls. H is for Hidden, which is what their cloaking devises allow their ships to be. I is for Intelligent schemers. J is for Jolan True. A common and traditional Romulan greeting. K is for Khitomer Massacre. Which the Romulans perpetrated. L is for Lovok, who was replaced by a Founder M is for M'ret. A Vice-procouncil of the Romulan Empire who defected to the Federation. N is for NCC-1701D, the registry designation of the Enterprise-D. [who faced off against Romulans on numerous occasions] O is for Osol Twist, a Romulan snack P is for Praetor, leader of the Star Empire. Q is for Quasar, Murasaki. Which the Enterprise-D was studying shortly after confronting the Romulans in "Data's Day". R is for Remans, their sister/slave race. S is for Star Empire. The official name of their empire. T is for Tal Shiar. U is for Uhlan, a lower rank in the Romulan military. V is for Vulcans, closely related to the Romulans. W is for War. Which Romulans are historically good at waging. Not to mention starting. X is for Xenophobic.