Here is the full list of all 50 Lords and Villeins achievements.
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Harvest 1500 apples.
Obtain an animal.
Build 1000 walls.
Fish 1000 fish.
Plant 25 fruit trees of each type on a single farm.
Harvest 1500 pears.
Obtain 100 animals.
Allow visiting family of each profession to settle at least once
Assign Zone to 100 families.
Accept 100 families.
Accept an artisan family and have them stay for 60 days.
Lose relationhip with the royals.
Increase relationship 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.
Grant 5 gold to a family.
Seize any resource from a family.
Discover an opposition group.
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.
Have all positions of the high council assigned.
Execute a prisoner.
Reach 10th year of any settlement.
Equip 25 horses with horseshoes and horse saddles.
Gather intelligence report 15 times.
Be visited by 100 caravans
Successfuly bargain a marriage deal with another noble family.
Refuse to give villagers a permission to marry.
Assign a Night Guard
Kill 25 bears.
Send 10 regiments to war.
Train a weapon mastery on 50 soldiers.
Perform blessing on 50 soldiers.
Host a Sunday Service With 100 attendants
Host a Sunday Service 10 times.
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.
Arrest the same person twice
Have a total population of 250 or more
Build decorations.
Execute a teenager.