Here is the full list of all 56 Mount & Blade: Warband (Windows) achievements worth 1,000 gamerscore.
Talk of the town
Mace met the face
Won one round in battle mode.
More kills than deaths.
Lady of the Lake
Five fun fiefs
Well read
Power behind the curtain.
Won death match
Stand up to the man
Elite
Queen
Killed 25 people with throwing weapons.
The Huscarl
50 foes slaed by slashing
25 lance kills
Gambit
The most helpful one
Eloped
Killed 100 people with mounted projectiles.
Cavalry killed
Tournament won
Beat the man down
On a pile of gold
Empress
Glutton
Marshall
Roi a le jour
Fiefdom
Faction leader
Conquerer
3 vassals
10 conquered towns or castles
Castle defended
Won in Conquest mode.
Slave Master
You have money on your mind
Knot Tied
Follower Promoted
Killed or wounded 500 enemies.
War Artist
Scoundrel
3 Cattle stolen
You and your army have killed or wounded 5,000 enemy troops.
10 enemies killed with a throwing weapon's secondary function.
One of your healing skills set to 5.
7 in one of the following skills or a 5 in two; Tracking, Path-finding, or Spotting.
Old School Sniper
10 parties of Mountain Bandits killed.
Town cleansed of bandits in the opening mission.
75 enemies killed with throwing weapons.
75 enemies killed with horse archery.
Trick Shot
50 men killed as a female character.
Best Served Cold
Castle Defended