Here is the full list of all 15 World Senate achievements.
Awarded after joining the game
Awarded after finishing your first work
Awarded after fighting for the first time in an international battlefield
Awarded on being in the top three for an ended international battlefield
Awarded after finishing your first school education
Awarded after finishing your first workout
Awarded after founding your first space colony
Awarded after upgrading your account to PRO membership
Awarded after won your first race in races
Awarded after won your first special agent fight
Awarded after won 100 special agent fights
Awarded after won 100 races
Awarded after won 1000 races
Awarded after won 1000 special agent fights
Awarded after won 10 international battlefields (top three in 10 battlefields).