* The 2005 Star Trek: Titan novel The Red King opens with the disappearance of a Romulan fleet and features Donatra, the Romulan commander featured in Star Trek: Nemesis, working alongside William Riker and his crew.

In the TOS episode " The Enterprise Incident ", as part of his diversionary role during an espionage mission against the Romulans, Spock shares a drink known as Romulan ale ( blue-colored beverage ) with the female Romulan commander.

After a brief confrontation with the commander of a Garidian Warbird ( similar in design to a Romulan D ' deridex Warbird except white in color with a red starburst design on the nose ), the crew of the scout ship is beamed aboard the Enterprise.

Before the Romulans open fire, Peter challenges the Romulan commander to a ritual fight-to-the-death ( using an obscure but still valid Romulan law predating their schism with the Vulcans ), in which actual battle is prohibited until the contest is resolved.

Additionally, Mark Lenard, playing the Romulan commander, makes his first Star Trek appearance.

The two commanders are soon locked in a battle of wits ; at one point the Romulan commander refers to Kirk as a " sorcerer " who can read his thoughts.

Although the Romulan ship's fuel is running low, a member of the crew with connections to the Romulan praetor convinces his commander to finish off a seemingly helpless Enterprise.

The Romulan commander declines, saying that it is " not our way " to accept such assistance.

Once aboard the Romulan ship, Kirk and Spock are taken before a female commander who demands an explanation for their intrusion into Romulan space.

With Spock in tow, the Romulan commander asks McCoy to confirm Spock's characterization of the Captain as being mentally incompetent and McCoy does so.

Kirk orders the ship to the nearest starbase and gallantly invites the Romulan commander to accept Mr. Spock as her escort to her new quarters.

Fontana has pointed out in recent years that the " raining kisses " scene was actually an embellishment by Gene Roddenberry -- one of the few he applied to third season scripts — and that the original script submitted had only an embrace and kiss, with most of the passion being delivered by the Romulan commander.

* The actual name of the Romulan commander, and her ultimate fate, are not known for certain.

Sinclair, in her brief role as the captain of the USS Saratoga in Star Trek IV: The Voyage Home, is commonly cited as the first female starship captain to appear in Star Trek, though Joanne Linville had appeared as a Romulan starship commander 18 year earlier.

There was no direct contact between the Federation and the Empire, nor were there any further Romulan incursions.

The new society would come to be known as the Romulan Star Empire — where Surak's philosophy of peace and logic survives only as an underground movement within their emotional, warlike society for the next 2, 000 years ( until further shepherded, in the Star Trek Next Generation episode " Unification ", by the elderly Ambassador Spock in the role of a latter-day successor to Surak ), while flourishing on Vulcan to become its predominant philosophy.

He is further startled when Tomalak — a former archenemy of the Enterprise, now a Romulan ambassador — beams onto the ship to negotiate a peace treaty with the Federation.

Riker is ordered to facilitate peaceful talks between the leading factions, but his mission is placed in jeopardy by the remnants of the Tal Shiar, the feared Romulan intelligence service, who seek to further their own interests.

( This is the SFU explanation for the ' sublight ' Romulan vessel seen in Balance of Terror: in the SFU, sublight engines are a common term for Warp engines incapable of tactical combat maneuvering as they only allow a starship to fight at slower-than-light speeds.

This places the two races at each other's throats, and when they are revealed to be Romulan, Archer devises an alliance, similar to the Federation, with the Vulcans.

He was attending the wedding of William Riker and Deanna Troi on Earth and was traveling to Betazed with the Enterprise crew for the second wedding ceremony when the ship was diverted to investigate positronic signals from a system near the Romulan border.

However, it is unclear when the Romulans possessed this system of government, or how it functioned in relation to the Romulan Senate, or even if they have abandoned the monarchy.

Circa stardate 41986. 0 ( December 26, 2364 ), the Romulan Star Empire ended its five decades of isolation when the USS Enterprise ( NCC-1701-D ) intercepted a Romulan warbird.

Captain Picard, suspecting this, convinced pro-Federation leader Gowron to attack Duras ' forces in order to draw Romulan reinforcements out of hiding ; when the Romulans attempted to enter the fray, they were revealed by a Federation tachyon blockade, and the Duras family, exposed as traitors, lost all support.

A Romulan General becomes enamored when he sees her, and he strikes a deal in which Tasha would be his consort in exchange for the lives of her fellow survivors.

Threatened with Dominion penetration into the inner sphere of the Federation, the Alliance forces were at a disadvantage, but were saved when the Romulan Star Empire entered the war on their side in response to an alleged, but faked Dominion plan of assaulting the Empire that Sisko and Garak created.

" Odo suspects Quark sold-out Kot when the two were caught in a Romulan larceny caper eight years ago, and now Kot is back to kill his former partner in crime.

A key moment in this process was an incident in 2154, when humans forced them to work together with their enemies the Andorians to prevent a Romulan attempt to destabilize the region.

It resembles a Romulan D ' deridex starship from the television series, Star Trek, albeit a tiny one ; when Cassie initially finds it, she believes it to be an old toy.

Following his return, Tuvok worked for Starfleet Intelligence within Romulan space at the time of the Shinzon uprising, and was later rescued from imprisonment by the Titan crew, which he joined when their previous tactical officer became comatose as a result of battle.

Once again finding themselves involved in Romulan business, the crew of the Titan are investigating the disappearance of a secret Romulan fleet when they are unwittingly propelled into another galaxy ; the Small Magellanic Cloud, where they encounter the Neyel, offshoots of Earth-bound Humanity.

The Enterprise then makes first contact with the Romulan Star Empire when two Romulan Warbirds decloak and demand that they jettison the mine with Reed attached.

In 2366, the Council was called into emergency session when a Romulan defector provided information on a possible Romulan invasion fleet arming near Nelvana III.

Notable females include Sela ( Tasha Yar's daughter ), Caithlin Dar ( Star Trek V: The Final Frontier ), Donatra ( Star Trek Nemesis ), Taris, and Toreth ( TNG: " Contagion " and " Face of the Enemy ", both played by Carolyn Seymour ) and the Romulan Commander in the TOS episode " The Enterprise Incident ," who is never referred to by name ( in Star Trek CCG and some noncanon novels, she is called " Commander Liviana Charvanek ").

In the two-part episode " Unification ", she coordinated a plan to invade the Vulcan homeworld using a holographic falsification of Ambassador Spock describing the Romulan convoy as being peaceful in character.

As Spock dematerializes, the Romulan Commander rushes to embrace him and she is beamed over with him.

* 2003's Captain's Blood, one of many collaborative works between Star Trek lead William Shatner and husband-and-wife team Judith and Garfield Reeves-Stevens, focused on the involvement of Kirk in preventing a Romulan civil war in the aftermath of Star Trek: Nemesis.

He is later rescued by Kirk, whom Pike saves from an attacking Romulan.

In A. C. Crispin's novel Sarek, Peter Kirk, James T. Kirk's nephew, uses his experiences throughout the novel to come up with another way to defeat the unwinnable scenario, this time against Romulan opponents.

During his new adventures, Kirk meets and marries an alien woman, Teilani ( a genetically engineered Klingon / Romulan hybrid ), and has a child with her.

Kirk discovers that the attacker is a lone Romulan Bird of Prey equipped with a cloaking device.

When the Romulan ship decloaks to launch a torpedo, Kirk tries to spring his trap, but an equipment failure leaves the phasers off-line and Mr. Stiles incapacitated.

The Star Trek episode “ The Enterprise Incident ” includes a scene in which Spock administers the so-called " Vulcan death grip " to Kirk to convince Romulan onlookers, apparently unfamiliar with Vulcan techniques, that Kirk had been killed.

On stardate 5027. 3, Captain James T. Kirk takes the USS Enterprise, without apparent authorization, into the Neutral Zone between Federation and Romulan space.

Three Romulan vessels decloak and intercept the ship, and Kirk is given an order to surrender.

Kirk explains that instrument failure caused the ship to stray off course, but Spock claims the captain ordered entry into Romulan space as an initiative born of insanity.

In the Romulan brig, Kirk injures himself by lunging against the force field enclosing the cell door.

After listening to the Doctor, the Romulan Commander orders Spock to assume command of the Enterprise, Kirk mutters words of outrage and disgust, then lunges at Spock.

Back on the Enterprise, Kirk returns to life, emerging from a mere state of suspended animation brought on by Spock's " death grip ", and orders McCoy to perform the plastic surgery necessary to give him Romulan features.

With his features altered, Kirk borrows the uniform of one of the Romulan hostages and has Scotty transport him back to the Romulan vessel.

While the Romulan Commander is changing into more comfortable attire, Spock directs Kirk, via communicator, to the section of the Romulan ship where the cloaking device is located.

Spock presents himself to the Romulan officers affirming Tal's report, but also that they are too late – Kirk has disengaged the cloaking device and returned with it to the Enterprise.

Simultaneously, Kirk assumes command of the Enterprise as Scotty attempts to sync the Romulan cloaking device technology to the Enterprise deflectors.