|years:|| 2172 2173 2174 2175 2176 2177 2178
(stardates from 2175.0)
|decades:||2140s 2150s 2160s 2170s 2180s 2190s 2200s|
|centuries:||21st century - 22nd century - 23rd century|
- Jonathan Archer becomes Federation Councillor of Earth.
- The Federation Council drafts the Resolution of Non-Interference, signed by all Federation members, putting together a single philosophy to be adopted, the Prime Directive.