Treaty of Algeron
- Reinforced & redefined the Romulan Neutral Zone
- Made clear that any violations of the Zone without adequate notification, would be considered an act of war
- Expressly prohibited the development or use of cloaking device technology by the Federation
- 2371: An exception to the treaty allowed for the USS Defiant to use a cloaking device, while in the Gamma Quadrant
- In return, the Romulans would receive all information the Federation obtained on the Dominion
- It also made Romulan Ale illegal in the Federation
- Romulan Star Empire
- United Federation of Planets
- A peace treaty signed in 2311 following the events of the Tomed Incident
- By the 31st century, Vulcan & Romulan reunification had been achieved, nullifying the Treaty
