Hey there,
the permanent seasonal events are now live. These events recur every year. Currently there are 4 seasonal events available, but there might be more to come!
Below is a brief list of the current events.
Mental health awareness
A mental health awareness event that takes place from 05/15 until 05/31. When you are in a battle map, there will be health items dropped close to you each 15-20 seconds as well as an affirming saying related to mental health awareness. There will be a reward that you can redeem beginning on 05/25 until the end of the month.
Halloween event
This event takes place from 10/01 till 10/31. Various pumpkins will be placed as decoration in your base. Also a ghost will fly over your base and drop some stuff. There will be a reward that you can redeem on 10/31.
Christmas event
This event takes place from 12/01 till 12/31. There will be falling snow in your base as well as christmas decoration. Also beginning at 12/24 you can get your christmas presents. Don't miss them.
New years eve event
This event takes place from 12/31 till 01/01 (following year). There will be a big New-Years-Eve text banner above your base as well as occassional fireworks explosions. Also you can get a very great reward during these two days.
Have fun!