A conflict between the Federation and the Romulan Star Empire , known as the Tomed Incident takes place, the outcome of which led to the Treaty of Algeron . The treaty redefined the Romulan Neutral Zone , and as well, ended all Federation research into cloaking technology .
Incident de Tomed : Le conflit entre la Fédération et l' Empire Stellaire conduit au Traité d'Algeron qui renforce la Zone Neutre Romulienne et stipule que la Fédération doive cesser toutes recherches sur la technologie d'occultation .