Here is the full list of all 29 History - Great Battles Medieval trophies - there are 8 bronze, 16 silver, 4 gold and 1 platinum.
You have successfully unlocked all of the trophies.
Win first battle as English
Win first battle as French
Win the English campaign
Win the French campaign
Recruit first troop
Recruit max number of units
Win a Short Tug of War
Win a Long Tug of War
Win a Sandbox Match
Kill 500 troops
Kill 1000 troops
Kill 2000 troops
Kill 5000 troops
Kill 10000 troops
Win a level with only mounted units
Win a level with only knights
Win a level with only infantry
Win a level with only ranged units
Get a mounted unit to level 10
Get a knight unit to level 10
Get an infantry unit to level 10
Get a ranged unit to level 10
Recruit 10 units
Win a level with all unit types
Complete the Tutorial
Complete a flanking maneuver
Win a battle without losing a unit
Get a unit into each corner of the screen