Here is the full list of all 50 Lords and Villeins achievements.
Execute a prisoner.
Have 8 peasants, a bishop, cavalry regiment and two guard posts.
Accept 100 families.
Be visited by 100 caravans
Host a Sunday Service 10 times.
Have a total population of 250 or more
Increase relationship with the royals.
Grant 5 gold to a family.
Allow visiting family of each profession to settle at least once
Obtain 100 animals.
Kill 25 bears.
Accept an artisan family and have them stay for 60 days.
Have all positions of the high council assigned.
Assign a Night Guard
Discover an opposition group.
Assign Zone to 100 families.
Harvest 1500 pears.
Harvest 1500 apples.
Fish 1000 fish.
Obtain an animal.
Seize any resource from a family.
Build 1000 walls.
Plant 25 fruit trees of each type on a single farm.
Replace the menu background with a custom save file.
Lose relationhip with the royals.
Have 50 beer barrels in stock.
Succesfuly complete the campaign.
Have a maximum relationship with the royalty.
Exile a family.
Enlist 50 servants.
Send 50 villagers to clergy.
Dismantle an oppositon group.
Positively respond to 50 council requests.
Negatively respond to 50 council requests.
Use the ruling action to send a villager to prison.
Reach 10th year of any settlement.
Equip 25 horses with horseshoes and horse saddles.
Gather intelligence report 15 times.
Successfuly bargain a marriage deal with another noble family.
Refuse to give villagers a permission to marry.
Send 10 regiments to war.
Train a weapon mastery on 50 soldiers.
Perform blessing on 50 soldiers.
Host a Sunday Service With 100 attendants
Have 50 novices initiated as monks.
Execute a successful propaganda.
Execute a failed propaganda.
Arrest the same person twice
Build decorations.
Execute a teenager.