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