The '''First Exodus''' marked the height of the [[Terran Alliance]]. During this era, the first off-system colonies were established.
=== Collapse and Isolation ===
The final [[Alliance Grand Survey#Fourth Alliance Grand Survey|Grand Survey]], conducted in [], listed
over 600 worlds.<ref name= TPS13>'' The Periphery (sourcebook)'', pp. 13-14</ref>
<!--Between [[ 2236]] and [[ 2237]] While local protection treaties, such as the [[ Chesterton Trade League]] had already been established, --> The First Exodus ended with the Outer Reaches Rebellion and the subsequent withdrawal of the Terran Alliance to a 30 light year territory around Terra.
* ''[[DropShips and JumpShips]]''
* ''[[Handbook: House Davion]]''
* ''[[Star League sourcebook]]''
* ''[[The Periphery (sourcebook)]]''
* ''[[The Periphery, 2nd Edition (sourcebook)]]''