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