I played this PC game 1 or 2 years ago, does somebody knows name of game, please answer - Here is what i know

Game is strategy in past, it is not old game. Game is realistic (ships are not small as horses, Catapults are not moving themselves, you can't destroy house with swords...) You are making units in game (you can chose Wooden shield, iron shield type of weapon...) and you can collect weapons of dead enemyes or allies. You can make traps like falling rocks or trees, there are horses coaches and other Vehicle. That is almoust all i know about game and I forgot to say that there is few ages in game (i think) but game is always in same century i guess......so please help me