Today, you can get 1 day free premium account.
To get a premium account you need:
Log in to the game on Tuesday 17 March at 06:10 until Wednesday 18 March at 06:00 CET (UTC +1).
Reward: 1 day Premium Account
Besides, if Log in to the game World of Warplanes you will get one more day premium account.
As a result, you will have two days of premium games!
This promotion is only valid for EU server.